| Main Entry: | |
| 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 |
| Main Entry: | abrasive |
| Part of Speech: | adjective |
| Definition: | irritating in manner |
| Synonyms: | annoying, biting, caustic, cutting, galling, hard to take, hateful, hurtful, nasty, rough, rubbing the wrong way, sharp, spiky, unpleasant |
| Antonyms: | likeable, pleasant, pleasing |
| Main Entry: | abrasive |
| Part of Speech: | adjective |
| Definition: | scraping or wearing |
| Synonyms: | cutting, erosive, grinding, polishing, rough, scratching, scratchy, scuffing, sharpening, smoothing |
| Antonyms: | smooth, soft |
| Main Entry: | abridgement |
| Part of Speech: | noun |
| Definition: | shortening, summary |
| Synonyms: | abbreviation, abstract, brief, compendium, condensation, conspectus, contraction, curtailment, cutting, decrease, digest, diminishment, diminution, lessening, outline, precis, reducing, reduction, synopsis |
| Antonyms: | addition, enlargement, expansion, extension, increase, lengthening, padding |
| 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: | acidulous |
| Part of Speech: | adjective |
| Definition: | bitter in speech |
| Synonyms: | biting, cutting, ironical, mocking, sarcastic |
| Antonyms: | kind, nice, sweet |
| Main Entry: | acrid |
| Part of Speech: | adjective |
| Definition: | nasty in behavior or words |
| Synonyms: | acrimonious, austere, biting, bitter, caustic, cutting, harsh, mordant, sarcastic, sharp, trenchant, vitriolic |
| Antonyms: | complimentary, kind, nice |
| 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: | acute |
| Part of Speech: | adjective |
| Definition: | severe, intense |
| Synonyms: | cutting, distressing, excruciating, exquisite, fierce, keen, overpowering, overwhelming, piercing, poignant, powerful, racking, severe, sharp, shooting, stabbing, sudden, violent |
| Notes: | acute is used for a sudden onset and short duration; chronic is for conditions that are slow to develop and of long duration acute is an angle of less than 90 degrees; obtuse is one of more than 90 degrees chronic is contrasted with acute as chronic pain persists over a longer period of time than acute pain and is resistant to most medical treatments |