| obstinate(adjective, determination, bravery, persistence) |
| persevering(adjective, determination, bravery, persistence) |
| plucky(adjective, determination, bravery, persistence) |
| purposeful(adjective, determination, bravery, persistence) |
| rebellious(adjective, wild, vivacious, effervescent, uncontrollable) |
| rigid(adjective, harsh, cruel, determined, fierce) |
| unbending(adjective, harsh, cruel, determined, fierce) |
| uncompromising(adjective, harsh, cruel, determined, fierce) |
| undefeated |
| unrelenting(adjective, harsh, cruel, determined, fierce) |
| unrelieved(adjective, unwavering, untiring, unrestrainable) |
| steadfast |
| boundless(adjective, absolute, indefinite, unbounded) |
| go for broke(expression, adjective, idiom, harsh, cruel) |
| irrevocable(adjective, determination, firmness, inevitability) |
| single-minded(adjective, harsh, cruel, determined, fierce) |
| bubbling(adjective, wild, vivacious, buoyant, effervescent) |
| cogent(adjective, determination, bravery, persistence) |
| competitive(adjective, determination, bravery, persistence) |
| courageous(adjective, determination, bravery, persistence) |