/ Dictionary / Index V vitriolic: Meaning and Definition of Find definitions for: vit•ri•ol•ic Pronunciation: (vi"trē-ol'ik), [key] — adj. of, pertaining to, or resembling vitriol. obtained from vitriol. very caustic; scathing: vitriolic criticism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vitriolic (Thesaurus) vitriol vitriolize Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language