- Vituperate is defined as to speak meanly about someone or something.
An example of vituperate is to gossip harshly behind someone's back.
verbvi·tu·per·at·ed, vi·tu·per·at·ing, vi·tu·per·ates
Origin of vituperateLatin vituperāre, vituperāt-.
(third-person singular simple present vituperates, present participle vituperating, simple past and past participle vituperated)