| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | containing acid |
| Synonyms: | astringent, sour |
| Main Entry: | sour |
| Part of Speech: | adjective |
| Definition: | bad-tasting; gone bad |
| Synonyms: | acerb, acetic, acetose, acetous, acid, acidic, acidulated, acrid, astringent, bad, biting, bitter, briny, caustic, curdled, cutting, dry, fermented, green, keen, musty, peppery, piquant, pungent, rancid, salty, sharp, soured, sourish, stinging, tart, turned, unpleasant, unripe, unsavory, unwholesome, vinegary, with a kick |
| Antonyms: | good, pleasant, sweet, tasty |
| Main Entry: | mordacious |
| Part of Speech: | adjective |
| Definition: | biting |
| Synonyms: | acerbic, acid, acidic, acrid, acrimonious, astringent, bitter, caustic, corrosive, cutting, incisive, mordant, pungent, scathing, severe, sharp, slashing, stinging, trenchant, truculent, vitriolic, withering |
| Main Entry: | slashing |
| Part of Speech: | adjective |
| Definition: | biting |
| Synonyms: | acerbic, acid, acidic, acrid, acrimonious, astringent, bitter, caustic, corrosive, cutting, incisive, mordacious, mordant, pungent, scathing, severe, sharp, stinging, trenchant, truculent, vitriolic, withering |