| perseverance(noun, strength, energy, resolve, temper) |
| persistence(noun, resolve, vigor, determination, resolution) |
| stamina(noun, strength, energy, resolve, vigor) |
| tirelessness(noun, resolve, vigor, determination, resolution) |
| indefatigableness(noun, perseverance) |
| tenacity(noun, resolve, determination, resolution, perseverance) |
| diligence(noun, resolve, vigor, determination, resolution) |
| resolution(noun, resolve, determination, resolution, perseverance) |
| determination(noun, strength, energy, resolve, vigor) |
| endurance(noun, strength, energy, resolve, temper) |
| patience(noun, temper, vigor, determination, composure) |
| pertinacity(noun, determination, resolution, endurance, persistence) |
| steadfastness(noun, resolve, determination, resolution, perseverance) |
| stubbornness(noun, resolve, determination, resolution, perseverance) |
| grit(noun, strength, energy, resolve, determination) |
| constancy(noun, resolve, determination, resolution, perseverance) |
| obstinacy(noun, resolve, determination, resolution, perseverance) |
| pluck(noun, resolve, determination, resolution, perseverance) |
| assiduity |
| backbone(noun, strength, energy, determination, resolution) |