| adamant(adjective, resist, determined, resolute, persistent) |
| immovable(adjective, determined, resolute, obstinate, uncompromising) |
| obstinate(adjective, firm, determined, resolute, rigid) |
| fixed(adjective, firm, determined, unreasonable, resolute) |
| set(adjective, firm, determined, resolute, rigid) |
| set in stone(adjective, determined, resolute, obstinate, uncompromising) |
| standing pat(adjective, determined, resolute, obstinate, uncompromising) |
| unswayable(adjective, determined, resolute, obstinate, uncompromising) |
| incompliant(adjective, firm, resist, determined, resolute) |
| inelastic(adjective, firm, determined, resolute, rigid) |
| steady |
| tenacious(adjective, determined, resolute, obstinate, uncompromising) |
| unfaltering |
| adamantine(adjective, resist, determined, resolute, persistent) |
| bovine(adjective, determined, resolute, obstinate, uncompromising) |
| resistant(adjective, firm, determined, resolute, rigid) |
| uncompliant(adjective, resist, determined, resolute, persistent) |
| bigoted(adjective, determined, resolute, obstinate, uncompromising) |
| brass-bound(adjective, determined, resolute, obstinate, uncompromising) |
| brassbound(adjective, resist, determined, resolute, persistent) |