The word complex definition

com·plex

 (kəm-plĕks′, kŏm′plĕks′)

adj.

1.

a. Consisting of interconnected or interwoven parts; composite: complex equipment with multiple components.

b. Composed of two or more units: a complex carbohydrate.

2. Difficult to understand for being intricate or involved; complicated: a complex problem.

3. Grammar

a. Consisting of at least one bound form. Used of a word.

b. Consisting of an independent clause and at least one other independent or dependent clause. Used of a sentence.

n. (kŏm′plĕks′)

1. A whole composed of interconnected or interwoven parts: a complex of cities and suburbs; the military-industrial complex.

2. A building or group of buildings used for a single purpose: a sports complex.

3. In psychoanalysis, a group of related, often repressed ideas and impulses that compel characteristic or habitual patterns of thought, feelings, and behavior.

4. An exaggerated or obsessive concern or fear: has a complex about his weight.

5. Medicine The combination of factors, symptoms, or signs of a disease or disorder that forms a syndrome.


[Latin complexus, past participle of complectī, to entwine; see complect.]


com·plex′ly adv.

com·plex′ness n.

Synonyms: complex, complicated, intricate, involved, tangled
These adjectives mean having parts so interconnected as to hamper comprehension or perception of the whole. Complex implies a combination of many interwoven parts: The composer transformed a simple folk tune into a complex set of variations. Complicated stresses a relationship of parts that affect each other in elaborate, often obscure ways: The party’s complicated platform confused many voters. Intricate refers to a pattern of intertwining parts that is difficult to follow or analyze: «No one could soar into a more intricate labyrinth of refined phraseology» (Anthony Trollope).
Involved implies a close but confusing interconnection between many different parts: The movie’s plot was criticized as being too involved. Tangled strongly suggests the random twisting of many parts: «Oh, what a tangled web we weave, / When first we practice to deceive!» (Sir Walter Scott).

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

complex

(ˈkɒmplɛks)

adj

1. made up of various interconnected parts; composite

2. (of thoughts, writing, etc) intricate or involved

3. (Grammar) grammar

a. (of a word) containing at least one bound form

b. (of a noun phrase) containing both a lexical noun and an embedded clause, as for example the italicized parts of the following sentence: I didn’t know the man who served me

c. (of a sentence) formed by subordination of one clause to another

4. (Mathematics) maths of or involving one or more complex numbers

n

5. a whole made up of interconnected or related parts: a building complex.

6. (Psychoanalysis) psychoanal a group of emotional ideas or impulses that have been banished from the conscious mind but that continue to influence a person’s behaviour

7. (Psychology) informal an obsession or excessive fear: he’s got a complex about cats.

8. (Chemistry) Also called: coordination compound a chemical compound in which molecules, groups, or ions are attached to a central metal atom, esp a transition metal atom, by coordinate bonds

9. (Chemistry) any chemical compound in which one molecule is linked to another by a coordinate bond

[C17: from Latin complexus, from complectī to entwine, from com- together + plectere to braid]

ˈcomplexly adv

ˈcomplexness n

Usage: Complex is sometimes wrongly used where complicated is meant. Complex is properly used to say only that something consists of several parts. It should not be used to say that, because something consists of many parts, it is difficult to understand or analyse

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

com•plex

(adj., v. kəmˈplɛks, ˈkɒm plɛks; n. ˈkɒm plɛks)

adj.

1. composed of many interconnected parts; compound; composite: a complex system.

2. characterized by a complicated or involved arrangement of parts, units, etc.: complex machinery.

3. so complicated or intricate as to be hard to understand or deal with: a complex problem.

4. (of a word) consisting of two or more parts, at least one of which is a bound form, as childish, which consists of the word child and the bound form -ish.

5. pertaining to or using complex numbers: complex methods; complex vector space.

n.

6. an often intricate or complicated association or assemblage of related things, parts, units, etc., forming a whole: an apartment complex.

7. a cluster of interrelated, emotion-charged ideas, desires, and impulses that may be wholly or partly suppressed but influence attitudes, associations, and behavior.

8. an obsessive notion or concern.

9. Also called coordination compound. a chemical compound in which independently existing molecules or ions of a nonmetal form coordinate bonds with a metal atom or ion.Compare ligand (def. 2).

10. an entity composed of molecules in which the constituents maintain much of their chemical identity: receptor-hormone complex.

v.t.

11. Chem. to form a complex with.

v.i.

12. Chem. to form a complex.

[1645–55; (adj.) < Latin complexus, past participle of complectī, complectere to embrace, encompass, include]

com•plex′ly, adv.

com•plex′ness, n.

Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Complex

 an object or framework made up from parts; a group of buildings forming part of related whole.

Examples: complex of doctrine, 1862; of fluid atoms, 1652; of planets, 1672; of psychoanalysts—Lipton, 1970.

Dictionary of Collective Nouns and Group Terms. Copyright 2008 The Gale Group, Inc. All rights reserved.

complex

An idea which is partly or wholly repressed, but which determines your opinion of yourself, may produce a complex. A woman may not consciously recall being teased as a child for being fat, for instance, but the idea may remain in her unconscious and as a result she may develop a complex about her appearance, whatever her adult build.

Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun 1. complex - a conceptual whole made up of complicated and related partscomplex — a conceptual whole made up of complicated and related parts; «the complex of shopping malls, houses, and roads created a new town»

composite

whole — all of something including all its component elements or parts; «Europe considered as a whole»; «the whole of American literature»

hybrid — a composite of mixed origin; «the vice-presidency is a hybrid of administrative and legislative offices»

syndrome — a complex of concurrent things; «every word has a syndrome of meanings»

2. complex — a compound described in terms of the central atom to which other atoms are bound or coordinated

coordination compound

hydrochloride — a complex consisting of an organic base in association with hydrogen chloride

chemical compound, compound — (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

3. complex — (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person’s behavior

feeling — the experiencing of affective and emotional states; «she had a feeling of euphoria»; «he had terrible feelings of guilt»; «I disliked him and the feeling was mutual»

depth psychology, psychoanalysis, analysis — a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud; «his physician recommended psychoanalysis»

Oedipal complex, Oedipus complex — a complex of males; desire to possess the mother sexually and to exclude the father; said to be a source of personality disorders if unresolved

Electra complex — a complex of females; sexual attraction to the father

inferiority complex — a sense of personal inferiority arising from conflict between the desire to be noticed and the fear of being humiliated

4. complex - a whole structure (as a building) made up of interconnected or related structurescomplex — a whole structure (as a building) made up of interconnected or related structures

building complex

college — a complex of buildings in which an institution of higher education is housed

industrial plant, plant, works — buildings for carrying on industrial labor; «they built a large plant to manufacture automobiles»

ribbon development — building complex in a continuous row along a road

structure, construction — a thing constructed; a complex entity constructed of many parts; «the structure consisted of a series of arches»; «she wore her hair in an amazing construction of whirls and ribbons»

Adj. 1. complex — complicated in structure; consisting of interconnected parts; «a complex set of variations based on a simple folk melody»; «a complex mass of diverse laws and customs»

difficult, hard — not easy; requiring great physical or mental effort to accomplish or comprehend or endure; «a difficult task»; «nesting places on the cliffs are difficult of access»; «difficult times»; «why is it so hard for you to keep a secret?»

compound — composed of more than one part; «compound leaves are composed of several lobes; «compound flower heads»

simple — having few parts; not complex or complicated or involved; «a simple problem»; «simple mechanisms»; «a simple design»; «a simple substance»

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

complex

adjective

2. complicated, difficult, involved, mixed, elaborate, tangled, mingled, intricate, tortuous, convoluted, knotty, labyrinthine, circuitous in-depth coverage of today’s complex issues
complicated clear, easy, simple, obvious, straightforward, elementary, uncomplicated, easy-peasy (slang)

noun

2. (Informal) obsession, preoccupation, phobia, fixation, fixed idea, idée fixe (French) I have never had a complex about my weight.

Usage: Although complex and complicated are close in meaning, care should be taken when using one as a synonym of the other. Complex should be used to say that something consists of several parts rather than that it is difficult to understand, analyse, or deal with, which is what complicated inherently means. In the following real example a clear distinction is made between the two words: the British benefits system is phenomenally complex and is administered by a complicated range of agencies.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

complex

adjective

1. Consisting of two or more interconnected parts:

2. Difficult to understand because of intricacy:

byzantine, complicated, convoluted, daedal, Daedalian, elaborate, intricate, involute, involved, knotty, labyrinthine, tangled.

noun

1. A usually large entity composed of interconnected parts:

2. A center of organization, supply, or activity:

3. An exaggerated concern:

The American Heritage® Roget’s Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Translations

komplexsložitýkomplexnísloženýcelek

komplekskompliceretsammensatvanskelig

kompleks

monimutkainen-keskuskompleksi

komplekssložen

kombinátkomplex

geîhnútur, duldmargbrotinn, flókinnsamstæîa

複合の複合体

복잡한복합체

kompleksassudėtingassudėtingas dalykassudėtingumassudėtinis

kompleksskomplicētssaliktssarežģīts

complex

komplex

komplekszapleten

komplexkomplicerad

คอมเพล็กซ์ซับซ้อน

phức tạptòa phức hợp

Collins Spanish Dictionary — Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

complex

adj

komplex; person, mind, issue, question, problem, poem alsovielschichtig; theory, task, system also, machine, patterndifferenziert, kompliziert; situation also, paragraphverwickelt, kompliziert

(Gram) a complex sentenceein Satzgefüge nt

n

Komplex m; industrial complexIndustriekomplex m

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

complex

[ˈkɒmplɛks]

1. adj (all senses) → complesso/a

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

complex

(ˈkompleks) , ((American) kəmˈpleks) adjective

1. composed of many parts. a complex piece of machinery.

2. complicated or difficult. a complex problem.

(ˈkompleks) noun

1. something made up of many different pieces. The leisure complex will include a swimming-pool, tennis courts, a library etc.

2. (often used loosely) an abnormal mental state caused by experiences in one’s past which affect one’s behaviour. She has a complex about her weight; inferiority complex.

complexity (kəmˈpleksəti) plural comˈplexities noun

1. the quality of being complex.

2. something complex.

Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

complex

مُرَكَّب, مُرَكَّب komplex, složitý kompleks Komplex σύμπλεγμα, σύνθετος complejo -keskus, monimutkainen complexe kompleks, složen complesso 複合の, 複合体 복잡한, 복합체 complex kompleks, sammensatt kompleks, złożony complexo комплекс, комплексный komplex, komplicerad คอมเพล็กซ์, ซับซ้อน karmaşık, kompleks phức tạp, tòa phức hợp 复杂的, 联合体

Multilingual Translator © HarperCollins Publishers 2009

com·plex

n. complejo, serie de procesos mentales interrelacionados que afectan la conducta y la personalidad;

castration ______ de castración;

guilt ______ de culpa;

inferiority ______ de inferioridad;

Electra’s ______ de Electra;

Oedipus ______ de Edipo;

a. complejo-a; complicado-a.

English-Spanish Medical Dictionary © Farlex 2012

complex

n complejo; inferiority — complejo de inferioridad; Mycobacterium avium — (MAC) complejo Mycobacterium avium; Oedipus — complejo de Edipo; superiority — complejo de superioridad

English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.

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By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.

Michael Behe

section

ETYMOLOGY OF THE WORD COMPLEX

From Latin complexus, from complectī to entwine, from com- together + plectere to braid.

info

Etymology is the study of the origin of words and their changes in structure and significance.

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PRONUNCIATION OF COMPLEX

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GRAMMATICAL CATEGORY OF COMPLEX

Complex can act as a noun and an adjective.

A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc.

The adjective is the word that accompanies the noun to determine or qualify it.

WHAT DOES COMPLEX MEAN IN ENGLISH?

Complex

A complex is a whole that comprehends a number of intricate parts, especially one with interconnected or mutually related parts; for example, a complex of buildings. Complex may refer to…


Definition of complex in the English dictionary

The first definition of complex in the dictionary is made up of various interconnected parts; composite. Other definition of complex is intricate or involved. Complex is also containing at least one bound form.

WORDS THAT RHYME WITH COMPLEX

Synonyms and antonyms of complex in the English dictionary of synonyms

SYNONYMS OF «COMPLEX»

The following words have a similar or identical meaning as «complex» and belong to the same grammatical category.

Translation of «complex» into 25 languages

online translator

TRANSLATION OF COMPLEX

Find out the translation of complex to 25 languages with our English multilingual translator.

The translations of complex from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «complex» in English.

Translator English — Chinese


复杂的

1,325 millions of speakers

Translator English — Spanish


complejo

570 millions of speakers

English


complex

510 millions of speakers

Translator English — Hindi


जटिल

380 millions of speakers

Translator English — Arabic


مُرَكَّب

280 millions of speakers

Translator English — Russian


комплексный

278 millions of speakers

Translator English — Portuguese


complexo

270 millions of speakers

Translator English — Bengali


জটিল

260 millions of speakers

Translator English — French


complexe

220 millions of speakers

Translator English — Malay


Kompleks

190 millions of speakers

Translator English — German


komplex

180 millions of speakers

Translator English — Japanese


複合の

130 millions of speakers

Translator English — Korean


복잡한

85 millions of speakers

Translator English — Javanese


Komplek

85 millions of speakers

Translator English — Vietnamese


phức tạp

80 millions of speakers

Translator English — Tamil


சிக்கலான

75 millions of speakers

Translator English — Marathi


जटिल

75 millions of speakers

Translator English — Turkish


karmaşık

70 millions of speakers

Translator English — Italian


complesso

65 millions of speakers

Translator English — Polish


złożony

50 millions of speakers

Translator English — Ukrainian


складний

40 millions of speakers

Translator English — Romanian


complex

30 millions of speakers

Translator English — Greek


σύνθετος

15 millions of speakers

Translator English — Afrikaans


komplekse

14 millions of speakers

Translator English — Swedish


komplicerad

10 millions of speakers

Translator English — Norwegian


sammensatt

5 millions of speakers

Trends of use of complex

TENDENCIES OF USE OF THE TERM «COMPLEX»

The term «complex» is very widely used and occupies the 3.066 position in our list of most widely used terms in the English dictionary.

Trends

FREQUENCY

Very widely used

The map shown above gives the frequency of use of the term «complex» in the different countries.

Principal search tendencies and common uses of complex

List of principal searches undertaken by users to access our English online dictionary and most widely used expressions with the word «complex».

FREQUENCY OF USE OF THE TERM «COMPLEX» OVER TIME

The graph expresses the annual evolution of the frequency of use of the word «complex» during the past 500 years. Its implementation is based on analysing how often the term «complex» appears in digitalised printed sources in English between the year 1500 and the present day.

Examples of use in the English literature, quotes and news about complex

10 QUOTES WITH «COMPLEX»

Famous quotes and sentences with the word complex.

Along with opportunities, there also exist many other tricky and complex issues to be managed in India. These include tackling both policy-level challenges and infrastructure challenges.

Motivations are too tangled and complex.

Quite often my narrator or protagonist may be a man, but I’m not sure he’s the more interesting character, or if the more complex character isn’t the woman.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.

Intellectual property is an important legal and cultural issue. Society as a whole has complex issues to face here: private ownership vs. open source, and so on.

My work has been marginalized as far as the jazz-business complex is concerned, or the contemporary-music complex.

Despite what they tell you, there are simply no moral absolutes in a complex world.

One of the things I love about directing is I love actors, because no matter how complex they are, once you get down to working and talking to them and the toughest guy will want you to open them up and he wants to show you stuff he was afraid to show anybody before.

Generally speaking, I don’t think people know a great deal about the Viking culture, apart from the label that is usually attached to them, either pillagers or deviants who came and brought back loot to Norway. It was an incredibly sophisticated, complex and layered culture. They had their own laws, many of which protected women.

At the highest level in the NFL, the pass game is as complex as you can imagine.

10 ENGLISH BOOKS RELATING TO «COMPLEX»

Discover the use of complex in the following bibliographical selection. Books relating to complex and brief extracts from same to provide context of its use in English literature.

With this second volume, we enter the intriguing world of complex analysis.

Elias M. Stein, Rami Shakarchi, 2010

2

Complex Compact Surfaces

The second edition is revised and expanded to include major developments of the last 20 years, including a new section devoted to the stunning results achieved by the introduction of Donaldson and Seiberg-Witten invariants.From the reviews: …

3

A Complex Analysis Problem Book

This introduction to aspects of analytic function theory not usually touched on in a first course is a compilation of exercises in the theory that includes completed and detailed solutions.

4

Complex Geometry: An Introduction

The author’s goal is to provide an easily accessible introduction to the subject. The book contains detailed accounts of the basic concepts and the many exercises illustrate the theory.

5

Complex Variables: Harmonic and Analytic Functions

Contents include calculus in the plane; harmonic functions in the plane; analytic functions and power series; singular points and Laurent series; and much more. Numerous problems and solutions. 1972 edition.

Francis J. Flanigan, 1972

If you thought the point of war was to win, this book will make you think again.

This is a very successful textbook for undergraduate students of pure mathematics. Students often find the subject of complex analysis very difficult.

8

Complex Analysis for Mathematics and Engineering

Intended for the undergraduate student majoring in mathematics, physics or engineering, the Sixth Edition of Complex Analysis for Mathematics and Engineering continues to provide a comprehensive, student-friendly presentation of this …

John Mathews, Russell Howell, 2012

9

A First Course in Complex Analysis with Applications

The new Second Edition of A First Course in Complex Analysis with Applications is a truly accessible introduction to the fundamental principles and applications of complex analysis.

Dennis G. Zill, Patrick D. Shanahan, 2011

10

1001 Books: You Must Read Before You Die

Completely revised and updated to include the most up-to-date selections, this is a bold and bright reference book to the novels and the writers that have excited the world’s imagination.

10 NEWS ITEMS WHICH INCLUDE THE TERM «COMPLEX»

Find out what the national and international press are talking about and how the term complex is used in the context of the following news items.

Multisport complex work in La Vista set to begin this fall

Backers of the nonprofit Nebraska Multisport Complex offered some new details about the project, which will include a natatorium with an … «Omaha World-Herald, Jul 15»

Fire engulfs Burnaby apartment complex

A fire engulfed the roof of a Burnaby apartment complex Tuesday, adding to the already hazy skies above the Lower Mainland due to nearby … «The Province, Jul 15»

Teen hospitalized after being pulled from apartment complex pool

Las Vegas Metro police said a teen who was discovered unresponsive in an apartment complex pool Tuesday evening was rushed to a … «KVVU Las Vegas, Jul 15»

Police: Juvenile almost drowns at central valley apartment complex

Metro supervisor Lt. Bruce Miyama said a 16-year-old boy was found in a swimming pool in the Hidden Cove apartment complex, located at … «Las Vegas Review-Journal, Jul 15»

Balconies falling down at Amherst apt. complex

AMHERST, N.Y. (WKBW) — Neighbors at the Brewster Mews Apartment complex in Amherst are speaking to 7 Eyewitness News about what … «WKBW-TV, Jul 15»

100 Hooper site acquired for complex to house tech, industry

Exterior rendering of a the 3.3-acre site, located at 100 Hooper Street. It is fully designed and entitled for the development of a LEED Gold, … «San Francisco Chronicle, Jul 15»

What’s in store for Chelsea’s new sports complex? Here are some …

Chelsea city leaders are expecting a proposal outlining features of the municipality’s sports complex at their next council meeting on July 21, … «AL.com, Jul 15»

SWAT called to apartment complex in North Austin

The Austin Police Department’s SWAT team was called to a North Austin apartment complex on Tuesday night, officials said. Police first … «Austin American-Statesman, Jul 15»

US Marshals capture man sought in Hoover apartment complex

U.S. Marshals captured a 19-year-old man wanted in a shooting that injured another teen at a Hoover apartment complex last week. «AL.com, Jul 15»

Iowa City seeks consultants for new sports complex

Iowa City officials are in the preliminary stages of developing a large sports complex on the city’s southeast side and are asking consultants to … «Iowa City Press Citizen, Jul 15»

REFERENCE

« EDUCALINGO. Complex [online]. Available <https://educalingo.com/en/dic-en/complex>. Apr 2023 ».

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Discover all that is hidden in the words on educalingo

There are several meanings of the word complex; one could say the word complex itself is very complex! Take a look at this article to learn several meanings of the word complex, its origin, example sentences, and more!

What Does the Word Complex Mean?

According to Collins English Dictionary, the word complex has many meanings. The most common meaning of complex is as an adjective meaning complicated or intricate, or having an involved arrangement of parts. A complex can also refer to a collection of buildings or a group of buildings, such as an apartment complex. 

In biochemistry, a complex refers to a structure consisting of a central atom and a composition of molecules that can form coordinate bonds like a receptor-hormone complex. 

In psychology, a complex is a type of pathological or strange behavior or emotion resulting from memories, feelings, and impulses. The pronunciation of complex is ˈkɒmplɛks.

What Is the Origin of the Word Complex?

According to Dictionary, the word complex has been used since the 17th century in Middle English. This word comes from the Latin complexus, which is the past participle of complecti, and the Latin complectere, which means to embrace or include. 

How Can Complex Be Used in a Sentence?

Below are example sentences containing the word complex. Studying sentences that contain words you are trying to learn is one of many tactics for memorizing definitions. See if you can determine which definition of complex is used in each of these sentences:

Based on her psychoanalysis, he had all of the symptoms of a superiority complex. The combination of emotions he presented was identical to a person’s behavior who’s been diagnosed with the syndrome.

Jim studied the complex entity of ions in chemistry class and broke it down into its constituents to identify its chemical identity. He broke the whole structure known as a coordination compound into its related structures and related parts from the conceptual whole.

The complex machinery known as an escalator was installed in the shopping malls in town. The use of these complex ideas was new to the people, and a combination of factors led to customers preferring the stairs instead.

The group of emotional ideas led to the woman boss’ pathological behavior and inferiority complex outside of her complex mind. Her obsessive notion and fear of a particular thing necessitated therapy.

He knew how to play a simple folk melody, but he was lost when presented with a complex set of variations. 

She twisted a braid into her hair before attempting the complex process for her mathematics class. One person’s behavior in class insinuated that she would be unsuccessful, but she was able to solve the problem even with its complicated association of the square root of real numbers.

What Are Translations of Complex?

If you need to describe something as being complex to a person who does not speak English, reference these translations of complex that are provided by Nice Translator.

  • Marathi: कॉम्प्लेक्स
  • Turkish: karmaşık
  • Romanian: complex
  • Finnish: monimutkainen
  • Lithuanian: Kompleksas 
  • Chinese (Taiwan): 複雜的
  • Portuguese (Portugal): complexo
  • Danish: kompleks.
  • Polish: złożony
  • Tamil: சிக்கலான
  • Ukrainian: комплексний
  • Urdu: کمپلیکس
  • Bulgarian: комплекс
  • Malay: kompleks
  • Thai: ซับซ้อน
  • Chinese (PRC): 复杂的
  • Greek: συγκρότημα
  • Italian: complesso
  • Basque: konplexu
  • Slovenian: kompleks
  • Portuguese (Brazil): complexo
  • Swedish: komplex
  • French: complexe
  • Norwegian: kompleks
  • Amharic: ውስብስብ
  • Hungarian: összetett
  • Russian: сложный
  • Catalan: complex
  • Vietnamese: phức tạp
  • Indonesian: kompleks
  • Hebrew: מורכב
  • Latvian: komplekss
  • Croatian: kompleks
  • Gujarati: સંકુલ
  • Icelandic: flókið
  • Welsh: gymhleth
  • Czech: komplex
  • Telugu: క్లిష్టమైన
  • Filipino: mahirap unawain
  • Malayalam: കോംപ്ലമായ
  • German: Komplex
  • Serbian: комплекс
  • Bengali: জটিল
  • Estonian: kompleksne
  • Korean: 복잡한
  • Spanish: complejo
  • Japanese: 繁雑
  • Slovak: komplexný
  • Dutch: complex
  • Swahili: tata
  • Arabic: مركب
  • Hindi: जटिल
  • Kannada: ಸಂಕೀರ್ಣ

What Are Synonyms of the Word Complex?

Power Thesaurus lists many words that can be used in place of the word complex. These words are called synonyms, and have similar definitions to the word complex.

  • abstruse
  • anfractuous
  • arduous
  • awkward
  • baffling
  • bewildering
  • burdensome
  • byzantine
  • challenging
  • complexity
  • complicated
  • composite
  • compound
  • confusing
  • convoluted
  • cumbersome
  • daedal
  • deep
  • difficult
  • disturbing
  • elaborate
  • esoteric
  • fixation
  • gordian
  • grinding
  • hang-up
  • hard
  • hard to understand
  • heterogeneous
  • impenetrable
  • incomprehensible
  • inextricable
  • intricate
  • involute
  • involved
  • knotted
  • knotty
  • laborious
  • labyrinthine
  • multiple
  • multiplex
  • nasty
  • network
  • neurosis
  • obscure
  • obsession
  • operose
  • oppressive
  • painful
  • perplexed
  • perplexing
  • precarious
  • problematic
  • profound
  • puzzling
  • recondite
  • rough
  • rugged
  • sensitive
  • severe
  • sinuous
  • sophisticated
  • sticky
  • stressful
  • structure
  • system
  • tangled
  • tangly
  • thorny
  • ticklish
  • tight
  • toilsome
  • tortuous
  • tough
  • tricky
  • trying
  • unfathomable
  • weighty

What Are Antonyms of the Word Complex?

Complex also has several antonyms which are listed below from Power Thesaurus. These words are opposites of the word complex.

  • ancient
  • antediluvian
  • antiquated
  • antique
  • apparent
  • archaic
  • as easy as ABC
  • as easy as falling off a log
  • as easy as pie
  • as easy as rolling off a log
  • as easy as shooting fish in a barrel
  • as simple as ABC
  • austere
  • backward
  • bald
  • bare
  • basic
  • can be done with your eyes closed
  • can be done with your eyes shut
  • childlike
  • clear
  • crystal clear
  • dated
  • direct
  • dull
  • early
  • easily understood
  • easy
  • easy as pie
  • easy as shelling peas
  • easy as shooting fish in a barrel
  • easy peasy Japanesey
  • easy to achieve
  • effortless
  • elementary
  • evident
  • fairly straightforward
  • hassle-free
  • homogeneous
  • isolation
  • like shooting fish in a barrel
  • low
  • modest
  • natural
  • nonprogressive
  • obsolete
  • obvious
  • old
  • old-fashioned
  • ordinary
  • outdated
  • outmoded
  • plain
  • plain sailing
  • poor
  • primitive
  • royal
  • rudimentary
  • simple
  • simplistic
  • spartan
  • stark
  • straightforward
  • unadorned
  • uncomplicated
  • uniform
  • unsophisticated

Conclusion

The word complex has several meanings. The most common meaning of the word complex is intricate or complicated. The word complex is very versatile and can be used in many ways.

Sources:

  1. Complex synonyms – 1 582 Words and Phrases for Complex | Power Thesaurus 
  2. Complex antonyms – 538 Opposites of Complex | Power Thesaurus 
  3. Complex Definition & Meaning | Dictionary.com 
  4. Complex definition and meaning | Collins English Dictionary
  5. Complex | Nice Translator  

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Kevin Miller is a growth marketer with an extensive background in Search Engine Optimization, paid acquisition and email marketing. He is also an online editor and writer based out of Los Angeles, CA. He studied at Georgetown University, worked at Google and became infatuated with English Grammar and for years has been diving into the language, demystifying the do’s and don’ts for all who share the same passion! He can be found online here.

What do we mean by complex?

Consisting of interconnected or interwoven parts; composite. adjective

Composed of two or more units. adjective

Difficult to understand for being intricate or involved; complicated. adjective

Consisting of at least one bound form. Used of a word. adjective

Consisting of an independent clause and at least one other independent or dependent clause. Used of a sentence. adjective

A whole composed of interconnected or interwoven parts. noun

A building or group of buildings used for a single purpose. noun

In psychology, a group of related, often repressed ideas and impulses that compel characteristic or habitual patterns of thought, feelings, and behavior. No longer in scientific use. noun

An exaggerated or obsessive concern or fear. noun

The combination of factors, symptoms, or signs of a disease or disorder that forms a syndrome. noun

Composed of interconnected parts; formed by a combination of simple things or elements; including two or more connected particulars; composite; not simple: as, a complex being; complex ideas; a complex term.

Involved; intricate; complicated; perplexing.

In the theory of numbers, any expression in the form ai + bj +, etc., where a, b, etc., are integers, and i, j, etc., are peculiar units.

To combine intricately; involve; mix up.

Anything consisting in or formed by the union of interconnected parts; especially, an assemblage of particulars related as parts of a system. noun

In geometry, a continuous, triply infinite system of infinite straight lines; the whole of any kind of forms in space fulfilling one condition: thus, all the lines that cut a given curve in space constitute a complex. noun

Composed of two or more parts; composite; not simple. adjective

Involving many parts; complicated; intricate. adjective

A network of interconnected systems.

A collection of buildings with a common purpose, such as a university or military base.

An assemblage of related things; a collection.

An abnormal mental condition caused by repressed emotions.

(by extension) A vehement, often excessive psychological dislike or fear of a particular thing.

A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules.

A complex number.

When one believes that many people around one hates one. Urban Dictionary

Having many simple parts. Urban Dictionary

A hip new Urban Magazine identified by the tag line «Guns, Drugs and the Hamptons: Life on the Reservation» and reaturing (i) booty shaking, (ii) tips on locking in a winter wifey, (iii) choosing a delicious poultry product, and (iv) Jay-Z. The editor’s picks are marked with a red symbol in the shape of a hair pick that might be inserted into one’s afro. Urban Dictionary

See also xelpmoc. Basically think Dogbert technical assistance. He knows pretty much everything there is to know about the interweb but he won’t tell you because he hates you. He helped create warbucket Urban Dictionary

A system of representation, usually formalistic.
Characterized by having a discrete side usually a discrete end.
The attributive (adjectival) use of «complex» is identical to its functional (nominal) use. Urban Dictionary

One who hails Satan. Urban Dictionary

Something so complex, it’s not enough to say it’s complicated. Urban Dictionary

Forging together of a complex and complicated situation and/or person Urban Dictionary

Complex (meaning different) and complicated (meaning difficult) basically it means something that’s new, different, and confusing, such as a complexicated relationship or a person with a complexicated personality. Urban Dictionary

Getting a stiffy/ Going hard Urban Dictionary

Other forms: complexes

People who are really good at math can handle complex math problems. The rest of us are all set with simple stuff like the times tables. Use complex to refer to something that is not simple.

Something complex has two or more related parts, or is not simple in its structure. As a noun, a complex is a group of units, often a group of buildings. The adjective is stressed on the second syllable, but the noun is stressed on the first syllable. Complex is from Latin complexus, from complecti «to encircle or embrace.»

Definitions of complex

  1. adjective

    complicated in structure; consisting of interconnected parts

    “a
    complex set of variations based on a simple folk melody”

    “a
    complex mass of diverse laws and customs”

    Synonyms:

    difficult, hard

    not easy; requiring great physical or mental effort to accomplish or comprehend or endure

    compound

    composed of more than one part

    analyzable, decomposable

    capable of being partitioned

    Byzantine, convoluted, involved, knotty, tangled, tortuous

    highly complex or intricate and occasionally devious

    colonial, compound

    composed of many distinct individuals united to form a whole or colony

    complicated

    difficult to analyze or understand

    composite

    consisting of separate interconnected parts

    compound

    consisting of two or more substances or ingredients or elements or parts

    daedal

    complex and ingenious in design or function

    Gordian

    extremely intricate; usually in phrase `Gordian knot’

    interlacing, interlinking, interlocking, interwoven

    linked or locked closely together as by dovetailing

    intricate

    having many complexly arranged elements; elaborate

    labyrinthian, labyrinthine, mazy

    resembling a labyrinth in form or complexity

    multifactorial

    involving or depending on several factors or causes (especially pertaining to a condition or disease resulting from the interaction of many genes)

    multiplex

    having many parts or aspects

    thickening

    becoming more intricate or complex

Definitions of complex

  1. noun

    a conceptual whole made up of complicated and related parts

    “the
    complex of shopping malls, houses, and roads created a new town”

    synonyms:

    composite

    see moresee less

    types:

    hybrid

    a composite of mixed origin

    syndrome

    a complex of concurrent things

    type of:

    whole

    all of something including all its component elements or parts

  2. noun

    a whole structure (as a building) made up of interconnected or related structures

    synonyms:

    building complex

    see moresee less

    types:

    show 14 types…
    hide 14 types…
    college

    a complex of buildings in which an institution of higher education is housed

    industrial plant, plant, works

    buildings for carrying on industrial labor

    ribbon development

    building complex in a continuous row along a road

    bottling plant

    a plant where beverages are put into bottles with caps

    brewery

    a plant where beer is brewed by fermentation

    distillery, still

    a plant and works where alcoholic drinks are made by distillation

    factory, manufactory, manufacturing plant, mill

    a plant consisting of one or more buildings with facilities for manufacturing

    mint

    a plant where money is coined by authority of the government

    packing plant, packinghouse

    a plant where livestock are slaughtered and processed and packed as meat products

    recycling plant

    a plant for reprocessing used or abandoned materials

    refinery

    an industrial plant for purifying a crude substance

    saltworks

    a plant where salt is produced commercially

    disposal plant, sewage disposal plant

    a plant for disposing of sewage

    smelter, smeltery

    an industrial plant for smelting

    type of:

    construction, structure

    a thing constructed; a complex entity constructed of many parts

  3. noun

    a compound described in terms of the central atom to which other atoms are bound or coordinated

    synonyms:

    coordination compound

    see moresee less

    types:

    hydrochloride

    a complex consisting of an organic base in association with hydrogen chloride

    type of:

    chemical compound, compound

    (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

  4. noun

    (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person’s behavior

    see moresee less

    types:

    Oedipal complex, Oedipus complex

    a complex of males; desire to possess the mother sexually and to exclude the father; said to be a source of personality disorders if unresolved

    Electra complex

    a complex of females; sexual attraction to the father

    inferiority complex

    a sense of personal inferiority arising from conflict between the desire to be noticed and the fear of being humiliated

    type of:

    feeling

    the experiencing of affective and emotional states

DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘complex’.
Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors.
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