| endurance(noun, power, strength, determination, resolution) |
| mulishness(noun, state, quality, resist, determination) |
| obstinateness(noun, state, quality, resist, determination) |
| bullheadedness(noun, state, quality, resist, determination) |
| indefatigability(noun, determination, resolution, endurance, persistence) |
| resoluteness(noun, resolve, determination, firmness, persistence) |
| fortitude(noun, strength, ability, resolution, capacity) |
| hardheadedness(noun, state, quality, resist, determination) |
| intransigence(noun, resolve, determination, firmness, perseverance) |
| perverseness(noun, state, quality, resist, determination) |
| perversity(noun, state, quality, resist, determination) |
| resolve(noun, determination, resolution, firmness, persistence) |
| stamina(noun, strength, ability, determination, resolution) |
| tirelessness(noun, determination, resolution, persistence, grit) |
| willfulness(noun, state, quality, resolve, resist) |
| grit(noun, strength, ability, resolve, determination) |
| insistence(noun, resolve, determination, resolution, firmness) |
| purpose(noun, determination, resolution, persistence, grit) |
| sedulousness(noun, activity, care, vigor, intensity) |
| strength(noun, ability, resolution, capacity, fortitude) |