| stubborn(adjective, determined, resolute, change, position) |
| tenacious(adjective, strong, firm, intense, deliberate) |
| determined(adjective, strong, tough, firm, intense) |
| obstinate(adjective, strong, tough, firm, intense) |
| strong-minded(adjective, firm, determined, serious, resolute) |
| resolute(adjective, strong, tough, firm, intense) |
| uncompromising(adjective, determined, resolute, unshakeable) |
| unyielding(adjective, determined, resolute, uncompromising, unshakeable) |
| dogged(adjective, strong, tough, firm, determined) |
| obdurate(adjective, determined, resolute, uncompromising, unshakeable) |
| steadfast(adjective, strong, tough, firm, intense) |
| firm(adjective, strong, tough, intense, deliberate) |
| headstrong(adjective, determined, resolute, tenacious) |
| persistent(adjective, strong, tough, firm, intense) |
| powerful(vigorous, noble, stout, courageous, heroic) |
| bullheaded(adjective, resolute, tenacious) |
| inflexible(adjective, determined, resolute, uncompromising, unshakeable) |
| persevering(adjective, strong, tough, firm, determined) |
| pertinacious |
| purposeful(adjective, strong, tough, firm, determined) |