| rigidity(noun, state, quality, resist, firmness) |
| obstinacy(noun, resolve, determination, resolution, firmness) |
| firmness(noun, resolve, determination, severity, tension) |
| stubbornness(noun, state, quality, resolve, resist) |
| tenacity(noun, resolve, determination, firmness, severity) |
| obduracy(noun, state, quality, resolve, resist) |
| intransigence(noun, state, quality, resolve, resist) |
| rigidness(noun, state, quality, resist, perseverance) |
| stiffness(noun, firmness, protection, severity, security) |
| hardness(noun, firmness, protection, severity, security) |
| inflexibleness(noun, state, quality, resist, perseverance) |
| perseverance(noun, resolve, determination, firmness, persistence) |
| immovability(noun, firmness, rigidity, obstinacy, stubbornness) |
| inelasticity(noun, protection, security, rigidity, hardness) |
| inexorability(noun, state, quality, resist, perseverance) |
| obdurateness(noun, state, quality, resist, perseverance) |
| resolution(noun, resolve, determination, firmness, persistence) |
| severity(noun, firmness, harshness, conformity, strictness) |
| steadfastness(noun, resolve, determination, resolution, firmness) |
| doggedness(noun, resolve, determination, firmness, perseverance) |