fly-by-nightadjective [ before noun ]uk /ˈflaɪ.baɪ.naɪt/ us /ˈflaɪ.baɪ.naɪt/ informal disapproving
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(Definition of “fly-by-night” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
(Definition of “fly-by-night” from the Cambridge Academic Content Dictionary © Cambridge University Press)
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