| brass-bound(adjective, determined, resolute, obstinate, uncompromising) |
| bull-headed(adjective, determined, resolute, obstinate, stubborn) |
| capricious(adjective, uncertain, awkward, irregular, impulsive) |
| con(adjective, bad, weak, gloomy, antagonistic) |
| contentious(noun, adjective, mean, nasty, difficult) |
| crabby(adjective, mean, severe, difficult, cross) |
| crotchety(adjective, difficult, careless, unstable, unreasonable) |
| demanding(adjective, severe, difficult, cross, persistent) |
| destructive(adjective, negative, critical, unfavorable, disapproving) |
| disadvantageous(adjective, negative, hostile, unfriendly, antagonistic) |
| disharmonious(adjective, separate, harsh, distinct, different) |
| dissentient(adjective, bad, weak, gloomy, hostile) |
| dissonant(adjective, uncertain, irregular, distinct, different) |
| dour(adjective, mean, nasty, difficult, unfriendly) |
| grumpy(adjective, difficult, irritable, sullen, crabby) |
| hardheaded(adjective, determined, resolute, obstinate, uncompromising) |
| harmful(adjective, damaging, unfavorable, disparaging, hurtful) |
| harsh(adjective, difficult, negative, hostile, different) |
| inexorable(adjective, determined, resolute, persistent, obstinate) |
| inharmonious(adjective, mixed, harsh, odd, different) |