| abrupt |
| acidity |
| aggravate(verb, upset, bother, annoy, anger) |
| atonal |
| brooding(adjective, feelings, sadness, gloom, unclear) |
| broody(adjective, feelings, sullen) |
| brusque(adjective, tough, low, harsh, gloomy) |
| cacophonous(adjective, hard, severe, sharp, rough) |
| cheerless(adjective, sadness, gloom, discontent, unclear) |
| discontented(adjective, difficult, cross, negative, disagreeable) |
| discordant(adjective, hard, severe, sharp, flat) |
| disenchant(verb, adjective, turn, alienate, curdle) |
| doleful(adjective, feelings) |
| embittered(adjective, severe, nasty, hostile, disagreeable) |
| exacerbate(verb, upset, turn, poison, alienate) |
| fetid(adjective, hard, rank, corrupt, foul) |
| flat(adjective, hard, severe, sharp, rough) |
| go bad(verb, expression, idiom, dull, turn) |
| irritate(verb, upset, bother, annoy, pain) |
| provoke(verb, work, bother, annoy, pain) |