| self-willed(adjective, tough, firm, difficult, wild) |
| uncontrollable(adjective, control, order, hard, rough) |
| mutinous(adjective, persistent, obstinate, insistent, dogged) |
| inflexible(adjective, hard, tough, rough, firm) |
| mulish(adjective, tough, firm, difficult, determined) |
| obstreperous(adjective, control, order, tough, resist) |
| uncooperative(adjective, tough, difficult, wild, awkward) |
| obdurate(adjective, tough, firm, difficult, determined) |
| tenacious(adjective, tough, firm, difficult, wild) |
| adamant(adjective, tough, firm, determined, unreasonable) |
| determined(adjective, tough, firm, persistent, impulsive) |
| difficult(adjective, tough, wild, awkward, obstinate) |
| incorrigible(adjective, obstinate, disobedience) |
| wilful |
| disorderly(adjective, control, order, resist, peace) |
| froward(adjective, determined, negative, hostile, persistent) |
| naughty(adjective, bad, misbehaved) |
| pertinacious(adjective, tough, firm, difficult, determined) |
| restive(adjective, violent, negative, nervous, hostile) |
| willful(adjective, tough, firm, fast, awkward) |