| devoted(adjective, resolute, tenacious) |
| diligent(adjective, resolute, tenacious) |
| faithful(adjective, resolute, tenacious) |
| froward(deliberate, determined, impulsive, stubborn, reckless) |
| hearty(adjective, resolute, tenacious) |
| inconvincible(adjective, determined, resolute, uncompromising, unshakeable) |
| pat(adjective, determined, resolute, uncompromising, unshakeable) |
| pig-headed(adjective, determined, impulsive, stubborn, reckless) |
| plucky(adjective, resolute, tenacious) |
| recalcitrant(adjective, tough, firm, difficult, awkward) |
| resolved(adjective, deliberate, determined, resolute, intentional) |
| rigid(adjective, strong, hard, tough, severe) |
| ruthless(adjective, resolute) |
| self-opinionated(adjective, determined, resolute, uncompromising, unshakeable) |
| serious(adjective, strong, hard, tough, severe) |
| spunky(adjective, resolute, tenacious) |
| steady(adjective, resolute) |
| steely(adjective, strong, hard, tough, severe) |
| strong(adjective, hard, tough, sturdy, rugged) |
| thorough(adjective, resolute) |