| pertinacity(noun, state, quality, resist, determination) |
| obstinacy(noun, state, quality, resolve, resist) |
| tenacity(noun, state, quality, resist, determination) |
| perversity(noun, state, quality, resist, determination) |
| stubbornness(noun, resolve, determination, obstinacy, unreasonableness) |
| doggedness(noun, state, quality, resist, determination) |
| mulishness(noun, state, quality, resist, determination) |
| obstinateness(noun, state, quality, resist, determination) |
| perverseness(noun, state, quality, resist, determination) |
| pigheadedness(noun, state, quality, resist, determination) |
| bullheadedness(noun, state, quality, resist, determination) |
| hardheadedness(noun, state, quality, resist, determination) |
| intransigence(noun, obstinacy, stubbornness, unreasonableness, willfulness) |
| persistence |
| tenaciousness(noun, state, quality, resist, determination) |
| willfulness(noun, state, quality, resist, determination) |
| application |
| assiduity |
| concentration |
| constancy |