| insubordinate(adjective, tough, firm, negative, hostile) |
| perverse(adjective, mean, tough, difficulty, firm) |
| undisciplined(adjective, control, order, difficult, resist) |
| defiant(adjective, persistent, obstinate, insistent, dogged) |
| rebellious(adjective, tough, firm, negative, hostile) |
| rigid(adjective, tough, firm, persistent, obstinate) |
| uncompromising(adjective, hard, tough, rough, firm) |
| difficult(adjective, tough, obstinate, stubborn, problematic) |
| immovable(adjective, hard, firm, difficult, determined) |
| mulish(adjective, tough, firm, difficult, indifferent) |
| unbending(adjective, hard, tough, rough, firm) |
| determined(adjective, deliberate, fixed, resolute, persistent) |
| pigheaded(adjective, tough, firm, deliberate, determined) |
| hard(adjective, tough, sharp, firm, fixed) |
| incorrigible(adjective, bad, hopeless, obstinacy) |
| intransigent(adjective, tough, firm, difficult, determined) |
| self-willed(adjective, tough, firm, difficult, determined) |
| tough(adjective, hard, rough, firm, difficult) |
| implacable(adjective, hard, tough, firm, cruel) |
| obstreperous(adjective, control, order, tough, resist) |