vituperate
To criticize (someone or something) in an abusive or harsh manner.
transitive
They loue not porke, nor ſwynes fleſh, but doth vituperate and abhore it, yet for all this, they will eate Adders, which is a kind of Serpentes, as well as any other Chriſtyan man dwelling in Roome, and other highe countreys, for Adders fleſhe there, is called fyſhe of the mountayne, this notwithſtanding Phiſicke doeth approbate adders fleſh good to be eaten, […]
To attack (someone or something) with abusive language; to revile, to vilify.
transitive
A bane to merit, he exerts himſelf to the deſtruction of every valuable virtue in literature, or in life: his pen is ne'er employed but in the abuſing and vituperating the innocent and meritorious; and like a voracious flie, he leaves and diſregards every accompliſhment, to fix upon the only ſore.
To use abusive or harsh words.
intransitive
Now the Brito-Celtic Church as Mr. [Henry Charles] Coote calls it, the Church which Augustine vituperated, is a fact, but I should certainly like to have some proof of the existence of the other, the "Early English Church" which Augustine ignored. And I should further like to know why he vituperated in the one case and ignored in the other.
Where it comes from
Learned borrowing from Latin vituperātus (“censured; disparaged”), perfect passive participle of vituperō (“to blame, scold, tell off; to censure; to disparage, find fault with”) (see -ate (verb-forming suffix)), from vitium (“blemish, defect, flaw, imperfection; crime, misdeed, wrongdoing; fault, error, sin; vice; disease (of plants)”) (possibly from Proto-Indo-European *(d)wi-tyo- (“apart; wrong”), from *dwóh₁ (“two”)) + parō (“to acquire, get, obtain, procure; to arrange, order; to contrive, design; to furnish, provide; to produce; to decide, resolve”) (from Proto-Indo-European *per- (“to get, procure; to produce; to bring forward; to bring forth, carry forth; to go through”)).
Adapted from the Wiktionary entry vituperate (CC BY-SA 4.0).