| perseverance |
| fortitude(noun, strength, courage, resilience) |
| diligence(noun, passion, spirit, resolve, determination) |
| resolution(noun, strength, resolve, determination, courage) |
| tenacity(noun, strength, resolve, determination, resolution) |
| zeal(noun, passion, cheat, speed, fire) |
| application(noun, resolve, determination, firmness, persistence) |
| constancy(noun, strength, determination, resolution, courage) |
| endurance(noun, strength, temper, determination, resolution) |
| insistence(noun, resolve, determination, resolution, firmness) |
| obstinacy(noun, resolve, determination, resolution, firmness) |
| patience(noun, strength, temper, determination, courage) |
| permanence(noun, strength, endurance, persistence, toughness) |
| persistence(noun, strength, resolve, determination, resolution) |
| pertinacity(noun, resolve, determination, resolution, firmness) |
| stability(strength, toughness, durability, permanence, sturdiness) |
| stamina(noun, strength, determination, resolution, courage) |
| staying power(noun, expression, strength, determination, courage) |
| stubbornness(noun, resolve, determination, resolution, firmness) |
| toughness(strength, sturdiness) |