complex Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "complex" - English Dictionary

See all translations

complexadjective

uk   /ˈkɒm.pleks/ /kəmˈpleks/  us   /ˈkɑːm-/
B2 involving a lot of different but related parts: a complex molecule/carbohydrate a complex network of roads a complex procedure The company has a complex organizational structure.B2 difficult to understand or find an answer to because of having many different parts: It's a very complex issue to which there is no straightforward answer. The film's plot was so complex that I couldn't follow it.
More examples

complexnoun [C]

uk   /ˈkɒm.pleks/  us   /ˈkɑːm-/

complex noun [C] (BUILDING)

C1 a large building with various connected rooms or a related group of buildings: a shopping/sports and leisure complexUS They live in a large apartment complex.
More examples

complex noun [C] (BAD FEELING)

C2 a particular anxiety or unconscious fear that a person has, especially as a result of an unpleasant experience that they have had in the past or because they have a low opinion of their own worth: an inferiority complex I think he's got a complex about being bald. Don't go on about her weight - you'll give her a complex!
(Definition of complex from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of complex?
Add Cambridge dictionaries to your browser to your website

Definitions of “complex” in other dictionaries

Word of the Day
child benefit

money received regularly by families from the government to help pay for the costs of taking care of children

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

responsible luxury noun
responsible luxury noun
August 03, 2015
high-end, green tourism and hospitality Jumeirah’s ‘responsible luxury’ approach is an example of a sustainable travel experience – future guests will enjoy the environment as much as today’s.

Read More