complexity

US /kəmˈplɛksɪti/

UK /kəm'pleksətɪ/

B1
n. (u.)Uncountable NounState of having many parts and not being simple
Because of the complexity of your illness, you need five different medicines
n. (u.)Uncountable NounA factor or element that makes something complicated.
One of the complexities of modern life is dealing with technology.

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