| acetous(adjective, sharp, unpleasant, bitter, sour) |
| acid(adjective, sharp, unpleasant, bitter, sour) |
| acidic(adjective, sharp, unpleasant, bitter, sour) |
| acidulated(adjective, sharp, unpleasant, bitter, sour) |
| acrid(adjective, sharp, unpleasant, bitter, sour) |
| astringent(adjective, sharp, unpleasant, bitter, sour) |
| bad(adjective, sharp, unpleasant, bitter, sour) |
| biting(adjective, sharp, unpleasant, bitter, sour) |
| bitter(adjective, sharp, unpleasant, sour, musty) |
| brinish |
| caustic(adjective, sharp, unpleasant, bitter, sour) |
| corned |
| curdled(adjective, sharp, unpleasant, bitter, sour) |
| cutting(adjective, sharp, unpleasant, bitter, sour) |
| dry(adjective, sharp, unpleasant, bitter, sour) |
| fermented(adjective, sharp, unpleasant, bitter, sour) |
| green(adjective, sharp, unpleasant, bitter, sour) |
| keen(adjective, sharp, unpleasant, bitter, sour) |
| musty(adjective, sharp, unpleasant, bitter, sour) |
| peppery(adjective, sharp, unpleasant, bitter, sour) |