smart alecnoun [ C ]also smart aleck uk /ˌsmɑːt ˈæl.ɪk/ us /ˌsmɑːrt ˈæl.ɪk/ informal
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(Definition of “smart alec” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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said to emphasize that being part of a group makes you less likely to be harmed