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English definition of “complexity”

complexity

noun uk   /kəmˈplek.sɪ.ti/ us    /-sə.t̬i/
C2 [U] the state of having many parts and being difficult to understand or find an answer to: a problem of great complexity complexities [plural] the features of something that make it difficult to understand or find an answer to: There are a lot of complexities surrounding this issue.
(Definition of complexity from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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