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English definition of “iffy”

iffy

adjective     /ˈɪf.i/ informal
not certain or decided : Simon's still kind of iffy about going to Columbia.UncertaintyHesitatingAchievable not completely good, honest , or suitable : The milk smells a bit iffy. I was hoping to go to the park but the weather's looking a bit iffy.DishonestQuite good, or not very goodSuitable and acceptableUnsuitable and unacceptable
(Definition of iffy adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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