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English definition of “familiar”

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familiar

adjective uk   /fəˈmɪl.i.ər/ us    /-jɚ/

familiar adjective (EASY TO RECOGNIZE)

B1 easy to recognize because of being seen, met, heard, etc. before: There were one or two familiar faces (= people I knew). The house looked strangely familiar, though she knew she'd never been there before. The street was familiar to me.be familiar with sth/sb B2 to know something or someone well: I'm sorry, I'm not familiar with your poetry.
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familiar adjective (FRIENDLY)

informal and friendly, sometimes in a way that does not show respect to someone who is not a family member or close friend: He patted her back in an overly familiar way. He doesn't like to be too familiar with his staff.
familiarly
adverb uk   /-li/ us  
Chesney Baker, known familiarly as "Chet"

familiar

noun [C] uk   /fəˈmɪl.i.ər/ us    /-jɚ/ old use
a close friend, or a spirit in the shape of a cat, bird, or other animal that is the close companion of a witch
(Definition of familiar from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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