| hard-nosed(adjective, determined, resolute, obstinate, uncompromising) |
| inflexible(adjective, determined, resolute, obstinate, uncompromising) |
| obdurate(adjective, determined, resolute, obstinate, uncompromising) |
| obstinate(adjective, determined, resolute, obstinate, uncompromising) |
| resolute(adjective, determined, obstinate, uncompromising, unshakeable) |
| rigid(adjective, determined, resolute, obstinate, uncompromising) |
| stubborn(adjective, determined, resolute, obstinate, uncompromising) |
| unbendable(adjective, determined, resolute, obstinate, uncompromising) |
| uncompromising(adjective, determined, resolute, obstinate, unshakeable) |
| unyielding(adjective, determined, resolute, obstinate, uncompromising) |
| bovine(adjective, determined, resolute, obstinate, uncompromising) |
| bigoted(adjective, determined, resolute, obstinate, uncompromising) |
| bull-headed(adjective, determined, resolute, obstinate, uncompromising) |
| contrary(adjective, determined, resolute, obstinate, uncompromising) |
| hardheaded(adjective, determined, resolute, obstinate, uncompromising) |
| hidebound(adjective, determined, resolute, obstinate, uncompromising) |
| inelastic(adjective, determined, resolute, obstinate, uncompromising) |
| mulish(adjective, determined, resolute, obstinate, uncompromising) |
| pertinacious(adjective, determined, resolute, obstinate, uncompromising) |
| pig-headed(adjective, determined, resolute, obstinate, uncompromising) |