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OK

adjective (AGREED) (also okay)
 
 
/ˌəʊˈkeɪ/ US  /ˌoʊ-/ informal

Definition

A2 agreed or acceptable: Is it okay if I bring a friend to the party? If it's okay by/with you, I'll leave the shopping till tomorrow.Words and phrases expressing agreement and acceptance
(Definition of OK adjective (AGREED) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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