| ugly(adjective, difficult, rude, unpleasant, horrible) |
| unpleasant(adjective, rude, horrible, irritable, disagreeable) |
| agonistic |
| bitter(adjective, mean, nasty, unfriendly, irritable) |
| bloodthirsty |
| caustic(adjective, mean, sharp, harsh, cross) |
| choleric(adjective, difficult, irritable, aggressive, turbulent) |
| confrontational(adjective, difficult, hostile, aggressive, radical) |
| contrary(adjective, mean, nasty, difficult, rude) |
| crabbed(adjective, rough, nasty, dark, unpleasant) |
| cranky(adjective, irritable) |
| fighting(verb, nasty, determined, hostile, spirited) |
| gladiatorial(difficult, energetic, hostile, antagonistic, aggressive) |
| rebellious(adjective, disobedient, unmanageable) |
| sour(adjective, mean, nasty, unfriendly, irritable) |
| spiteful(adjective, mean, rough, nasty, dark) |
| touchy(adjective, difficult, irritable, turbulent, belligerent) |
| warmongering |
| acrimonious(adjective, irritable, angry, offended, indignant) |
| attacking(adjective, violent, hostile, restless, aggressive) |