| Irreverent (a.) Showing a lack of respect for authority or for what is sacred; as, irreverent humor. Thesaurus Entries apostate, atheistic, aweless, backsliding, blasphemous, cheeky, derisive, discourteous, disparaging, disrespectful, fallen, fallen from grace, flip, flippant, impertinent, impious, impudent, insolent, insulting, irreligious, lapsed, mocking, profanatory, profane, recidivist, recidivistic, recreant, renegade, ridiculing, rude, sacrilegious, saucy, uncivil, undutiful, ungodly, unhallowed, unholy |