| fractious(adjective, control, order, mean, resist) |
| harsh(adjective, mean, hard, severe, rough) |
| immutable(adjective, set, strong, hard, severe) |
| insubordinate(adjective, negative, hostile, inflexible, adverse) |
| mutinous |
| single-minded(adjective, tough, firm, intense, deliberate) |
| strict(adjective, hard, tough, moderate, severe) |
| unfaltering(adjective, firm, intense, deliberate, determined) |
| unswerving |
| adverse(adjective, cross, negative, hostile, different) |
| biased(adjective, passionate, violent, fervent, rigid) |
| bold(adjective, tenacious, defiant) |
| bovine(adjective, determined, resolute, uncompromising, unshakeable) |
| brass-bound(adjective, determined, resolute, uncompromising, unshakeable) |
| cantankerous(adjective, mean, difficult, determined, irritable) |
| contradictory(adjective, determined, negative, hostile, fixed) |
| decisive(adjective, determined, usual, regular, serious) |
| definite(adjective, firm, determined, usual, unreasonable) |
| diligent(adjective, tenacious) |
| hearty(adjective, tenacious) |