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English definition of “effrontery”

effrontery

noun [U]     /ɪˈfrʌn.tər.i/ US  /-t̬ɚ-/ formal
extreme rudeness without any ability to understand that your behaviour is not acceptable to other people: He was silent all through the meal and then had the effrontery to complain that I looked bored!Rude and cheekyRelating to sex and sexual desire
(Definition of effrontery noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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