/ Dictionary / Index A acid-tongued: Meaning and Definition of Find definitions for: ac•id-tongued Pronunciation: (as'id tungd"), [key] — adj. bitingly critical or sarcastic; sharp-tongued: a critic famous for his acid-tongued reviews. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acid test ratio acid trip Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language