| indomitable(adjective, persistent, obstinate, insistent, dogged) |
| inelastic(adjective, firmness, persistence, rigidity, obstinacy) |
| insubordinate(adjective, persistent, obstinate, insistent, dogged) |
| mutinous(adjective, persistent, obstinate, insistent, dogged) |
| narrow-minded(adjective, persistent, obstinate, insistent, dogged) |
| obdurate(adjective, firmness, persistence, rigidity, obstinacy) |
| persistent(adjective, obstinate, insistent, dogged) |
| recalcitrant(adjective, persistent, obstinate, insistent, dogged) |
| refractory(adjective, persistent, obstinate, insistent, dogged) |
| resolved(adjective, persistent, obstinate, insistent, dogged) |
| set(adjective, persistent, obstinate, insistent, dogged) |
| severe(adjective, persistent, obstinate, insistent, dogged) |
| single-minded(adjective, persistent, obstinate, insistent, dogged) |
| steadfast(adjective, persistent, obstinate, insistent, dogged) |
| strict(adjective, persistent, obstinate, insistent, dogged) |
| uncompromising(adjective, firmness, persistence, rigidity, obstinacy) |
| uncooperative(adjective, persistent, obstinate, insistent, dogged) |
| unflinching(adjective, persistent, obstinate, insistent, dogged) |
| ungovernable(adjective, persistent, obstinate, insistent, dogged) |
| unmanageable(adjective, persistent, obstinate, insistent, dogged) |