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English definition of “unfamiliar”

unfamiliar

adjective uk   /ʌn.fəˈmɪl.i.ər/ us    /-jɚ/
B2 not known to you: I noticed several unfamiliar faces in the meeting room. His name was unfamiliar to me. be unfamiliar with sth B2 to not have any knowledge or experience of something: Many older people are unfamiliar with computers.
(Definition of unfamiliar from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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