| acescent |
| acidulent |
| bad(adjective, sharp, unpleasant, bitter, sour) |
| bad-humored(irritable, crabby, cantankerous) |
| bad-tempered(difficult, irritable, grumpy, crabby, cranky) |
| biting(adjective, strong, sharp, unpleasant, bitter) |
| brackish(adjective, terrible, dirty, badly, scary) |
| briny(adjective, sharp, unpleasant, bitter, sour) |
| bum(adjective, terrible, dirty, badly, scary) |
| captious(difficult, irritable, grumpy, crabby, cranky) |
| caustic(adjective, sharp, unpleasant, bitter, critical) |
| choleric(difficult, irritable, grumpy, crabby, cranky) |
| contrary(difficult, irritable, grumpy, crabby, cranky) |
| crabby(difficult, irritable, grumpy, cranky, cantankerous) |
| cringe-worthy(adjective, terrible, dirty, badly, scary) |
| critical(difficult, unpleasant, crabby, cranky, cutting) |
| cross(difficult, irritable, grumpy, crabby, cranky) |
| curdled(adjective, sharp, unpleasant, bitter, sour) |
| cussed(irritable, crabby, cantankerous) |
| cutting(adjective, sharp, unpleasant, bitter, critical) |