| acetous(adjective, sharp, harsh, unpleasant, bitter) |
| sour(adjective, sharp, difficult, harsh, bitter) |
| tart(noun, adjective, strong, sharp, harsh) |
| acerbic(adjective, sharp, harsh, unpleasant, lively) |
| acetose(adjective, sharp, unpleasant, bitter, critical) |
| vinegarish(adjective, difficult, harsh, bitter, sour) |
| acid(noun, adjective, sharp, harsh, unpleasant) |
| acetic(adjective, sharp, unpleasant, bitter, sour) |
| acidic(adjective, sharp, unpleasant, bitter, sour) |
| acidulous(adjective, harsh, unpleasant, bitter, critical) |
| bitter(adjective, strong, sharp, harsh, unpleasant) |
| cantankerous(adjective, difficult, irritable, grumpy, crabby) |
| cranky(adjective, difficult, irritable, mood, grumpy) |
| cringeworthy(adjective, terrible, dirty, badly, scary) |
| sharp(adjective, strong, unpleasant, bitter, sour) |
| acerb(adjective, sharp, harsh, unpleasant, bitter) |
| crabbed(irritable, brief, grumpy, gruff, peevish) |
| crotchety(adjective, difficult, irritable, crabby, cranky) |
| harsh(adjective, strong, sharp, unpleasant, lively) |
| pungent(adjective, strong, sharp, unpleasant, bitter) |