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English definition of “alibi”

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alibi

noun [C]  /ˈæl·əˌbɑɪ/ us  
proof that someone who is thought to have committed a crime could not have done it, esp. the fact or claim that the person was in another place at the time the crime happened An alibi is also an excuse for something: You’re late again – what’s your alibi this time?
(Definition of alibi from the Cambridge Academic Content Dictionary © Cambridge University Press)
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