| obstinate(adjective, characteristic, quality, stubbornness, determined) |
| inflexible(adjective, determined, resolute, uncompromising, obstinate) |
| obdurate(adjective, determined, resolute, uncompromising, obstinate) |
| unyielding(adjective, resolute, determined, uncompromising, characteristic) |
| uncompromising(adjective, resolute, determined, obstinate, characteristic) |
| adamant(adjective, determined, resolute, uncompromising, characteristic) |
| firm(adjective, resolute, determined, uncompromising, obstinate) |
| intransigent(adjective, characteristic, quality, tough, resist) |
| resolute(adjective, determined, uncompromising, obstinate, characteristic) |
| unrelenting(adjective, characteristic, appearance, quality, mean) |
| immovable(adjective, characteristic, quality, mean, strong) |
| relentless(adjective, characteristic, appearance, quality, mean) |
| inexorable(adjective, characteristic, appearance, quality, mean) |
| hard-nosed(adjective, characteristic, quality, mean, strong) |
| unbending(adjective, resolute, determined, uncompromising, characteristic) |
| dogged(adjective, characteristic, quality, stubbornness, determined) |
| determined(adjective, characteristic, quality, strong, hard) |
| tenacious(adjective, characteristic, quality, strong, firm) |
| rigid(adjective, characteristic, quality, mean, strong) |
| fixed(adjective, characteristic, quality, mean, hard) |