complex definition, meaning - what is complex in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “complex”

See all translations

complex

adjective 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

complex

noun [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

selfless

caring more for what other people need and want rather than for what you yourself need and want

Word of the Day

She’s got very good posture. (How we stand and sit)

by Kate Woodford,
May 27, 2015
Recently on this blog, we looked at the words that we use to describe the way we move. This week we’re looking at words for describing our bodies when they are still, whether we are standing or sitting. Since most of us do far too much of this, let’s start with sitting.

Read More 

ebolaphobia noun

June 01, 2015
irrational fear of the (spread of) the Ebola virus Ebolaphobia Going Viral

Read More