/ ɪˈrevərənt; NAmE / adjective
(usually approving ) not showing respect to sb/sth that other people usually respect :
irreverent wit
an irreverent attitude to tradition
► ir·rev·er·ence / -əns; NAmE / noun [ U ]
► ir·rev·er·ent·ly adverb
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WORD ORIGIN
late Middle English : from Latin irreverent- not revering, from in- not + reverent- revering ( from the verb revereri , from re- (expressing intensive force) + vereri to fear).