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English definition of “familiarity”

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familiarity

noun [U] uk   /fəˌmɪl.iˈær.ə.ti/ us    /-ˈer.ə.t̬i/

familiarity noun [U] (KNOWLEDGE)

a good knowledge of something, or the fact that you know it so well: Ellen's familiarity with pop music is astonishing. I love the familiarity of my old chair.

familiarity noun [U] (FRIENDLINESS)

friendly and informal behaviour: His excessive familiarity offended her.
(Definition of familiarity from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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