An example of vituperate is to gossip harshly behind someone's back.
Origin of vituperate
- Latin vituperāre vituperāt-
From American Heritage Dictionary of the English Language, 5th Edition
- From Latin vituperātus, perfect passive participle of vituperō (“I blame, I censure"), from vitium (“fault, defect") + parō (“I furnish, I provide, I contrive").