| continuity(noun, strength, resolution, fortitude, stamina) |
| contumacy(noun, determination, perseverance, obstinacy, stubbornness) |
| industry(noun, activity, care, vigor, intensity) |
| purposefulness(noun, determination, resolution, endurance, persistence) |
| relentlessness(noun, perseverance, obstinacy, stubbornness, inflexibility) |
| sedulity(noun, determination, resolution, perseverance, endurance) |
| self-will |
| single-mindedness(noun, persistence, obstinacy, tenacity, stubbornness) |
| staying power(noun, expression, strength, resolution, fortitude) |
| steadiness(noun, perseverance) |
| stick-to-it-iveness |
| application(noun, activity, resolve, care, vigor) |
| assiduousness(noun, activity, care, vigor, intensity) |
| devotion(noun, determination, resolution, persistence, grit) |
| dogmatism(obstinacy, stubbornness, rigor) |
| guts(noun, strength, ability, resolve, determination) |
| indefatigableness |
| intractability(noun, obstinacy, stubbornness, inflexibility, mulishness) |
| obdurateness(noun, perseverance, obstinacy, stubbornness, inflexibility) |
| opinionatedness |