| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | bitter, sour in taste |
| Synonyms: | acerbic, acidulous, biting, piquant, pungent, sharp, tart, vinegarish, vinegary |
| Antonyms: | bland, sweet |
| Main Entry: | acid |
| Part of Speech: | adjective |
| Definition: | bitter in words or behavior |
| Synonyms: | acerbic, biting, caustic, cutting, dry, harsh, hateful, hurtful, mordant, nasty, offensive, sarcastic, sharp, stinging, trenchant, vitriolic |
| Antonyms: | kind, nice |
| Main Entry: | acid |
| Part of Speech: | noun |
| Definition: | lysergic acid diethylamide, LSD |
| Synonyms: | California sunshine, Lucy in the sky with diamonds, Owsley's acid, black tabs, blotter, blue Owsley, blue acid, blue dot, candy*, cubes, dot, electric Kool Aid, green dragon, hallucinogen, instant Zen, magic mushrooms, mescalin, microdots, mushrooms, orange sunshine, peyote, purple haze, strawberry fields, sugar cubes, yellow sunshine |
| Main Entry: | acrid |
| Part of Speech: | adjective |
| Definition: | bitter, sour to taste |
| Synonyms: | acid, amaroidal, astringent, biting, burning, caustic, harsh, irritating, pungent, sharp, stinging |
| Antonyms: | delicious, savory, sweet |
| Main Entry: | acrimonious |
| Part of Speech: | adjective |
| Definition: | nasty in behavior, speech |
| Synonyms: | acerbic, acid, angry, astringent, belligerent, biting, bitter, caustic, censorious, churlish, crabby, cranky, cross, cutting, indignant, irascible, irate, ireful, mad, mordant, peevish, petulant, rancorous, sarcastic, sharp, spiteful, splenetic, tart, testy, trenchant, wrathful |
| Antonyms: | kind, kindly, peaceable |
| Main Entry: | bitter |
| Part of Speech: | adjective |
| Definition: | pungent, sharp |
| Synonyms: | absinthal, absinthian, acerb, acerbic, acid, acrid, amaroidal, astringent, harsh, sour, tart, unsweetened, vinegary |
| Antonyms: | bland, mild, pleasant, sweet |
| Main Entry: | caustic |
| Part of Speech: | adjective |
| Definition: | burning, corrosive |
| Synonyms: | abrasive, acerbic, acid, acrid, alkaline, astringent, biting, corroding, erosive, keen, mordant, pungent, tart |
| Antonyms: | calm, mild, soothing |
| Main Entry: | crabby/crabbed |
| Part of Speech: | adjective |
| Definition: | in a bad mood |
| Synonyms: | acid, acrid, acrimonious, awkward, bad-tempered, blunt, brusque, captious, choleric, churlish, cranky*, cross, crotchety, crusty, cynical, difficult, dour, fretful, gloomy, glum, grouchy, harsh, huffy, ill-humored, ill-tempered, irascible, irritable, misanthropic, morose, nasty-tempered, peevish, perverse, petulant, prickly, saturnine, snappish, snappy, sour, splenetic, sulky, sullen, surly, tart, testy, tough, trying, unsociable |
| Antonyms: | happy |
| Main Entry: | cutting |
| Part of Speech: | adjective |
| Definition: | nasty, hateful |
| Synonyms: | acerbic, acid, acrimonious, barbed, biting, bitter, caustic, clear-cut, crisp, hurtful, incisive, ingoing, malicious, penetrating, piercing, pointed, probing, raw, sarcastic, sardonic, scathing, severe, sharp, stinging, trenchant, wounding |
| Antonyms: | kind, nice, pleasant |