| steadfast(adjective, determined, resolute, obstinate, stubborn) |
| uncompliant(adjective, resist, determined, resolute, obstinate) |
| unshakeable(adjective, determined, resolute, uncompromising) |
| incompliant(adjective, resist, determined, resolute, obstinate) |
| pat(adjective, determined, resolute, rigid, obstinate) |
| perverse(adjective, mean, tough, determined, resolute) |
| unwavering(adjective, secure, determined, steady, fixed) |
| brassbound(adjective, resist, determined, resolute, persistent) |
| headstrong(adjective, tough, determined, resolute, stubborn) |
| pigheaded(adjective, tough, determined, resolute, stubborn) |
| steely(adjective, determined, resolute, obstinate, uncompromising) |
| stern(adjective, determined, resolute, uncompromising, unshakeable) |
| self-willed(adjective, tough, determined, resolute, stubborn) |
| unforgiving(adjective, determined, resolute, uncompromising, unshakeable) |
| unswerving(adjective, determined, resolute, uncompromising, unshakeable) |
| willful(adjective, determined, resolute, obstinate, stubborn) |
| hardheaded(adjective, determined, resolute, obstinate, uncompromising) |
| opinionated(adjective, tough, firm, determined, resolute) |
| resistant(adjective, determined, resolute, obstinate, uncompromising) |
| strong-willed(adjective, determined, resolute, uncompromising, unshakeable) |