| defiant(adjective, hostile, persistent, obstinate, insistent) |
| determined(tough, firm, persistent, obstinate, stubborn) |
| disagreeable(unpleasant, irritable, crabby, cantankerous, ill-tempered) |
| excitable(adjective, passionate, unstable, unpredictable, unreliable) |
| firm(adjective, tough, persistent, obstinate, stubborn) |
| fractious(mean, cross, hostile, irritable, ugly) |
| guyed |
| hard-shell(adjective, severe, sharp, nasty, persistent) |
| huffy(mean, cross, irritable, ugly, crabby) |
| ill-natured(adjective, mean, cross, unpleasant, irritable) |
| impenitent |
| imprecated |
| inexorable(tough, firm, persistent, obstinate, stubborn) |
| infernal(adjective, damned, underworld) |
| insubordinate(tough, firm, persistent, obstinate, stubborn) |
| invidious(adjective, nasty, terrible, disgusting, vicious) |
| irascible(mean, sharp, nasty, unpleasant, irritable) |
| irritable(mean, unpleasant, unstable, disagreeable, unreliable) |
| malign(adjective, mean, nasty, violent, terrible) |
| malignant(adjective, mean, nasty, vicious, hateful) |