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complex

adjective
 
 
/ˈkɒm.pleks/ /kəmˈpleks/ US  /ˈkɑːm-/

Definition

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.ComplexityDifficult to understand 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.Difficult to understandComplicated and difficult to doPuzzle and confuse
(Definition of complex adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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