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flaky

adjective (PERSON)
 
 
/ˈfleɪ.ki/ mainly US informal

Definition

behaving in a way that is not responsible or expected: The central character of the play is a flaky neurotic.Of unsound mindStupid and silly
(Definition of flaky adjective (PERSON) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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