| implacability(noun, state, quality, resist, perseverance) |
| intractability(noun, obstinacy, stubbornness, mulishness) |
| pertinacity(noun, resolve, determination, firmness, perseverance) |
| relentlessness(noun, state, quality, resist, perseverance) |
| constancy(noun, resolve, resolution, firmness, rigidity) |
| fixedness(noun, resolve, resolution, protection, security) |
| grimness(noun, state, quality, resist, severity) |
| intransigency(noun, state, quality, resist, perseverance) |
| prudery(firmness, rigidity) |
| rigor(noun, firmness, severity, harshness, strictness) |
| toughness(noun, determination, firmness, protection, severity) |
| austerity(noun, firmness, severity, harshness, conformity) |
| contumacy(noun, determination, perseverance, obstinacy, stubbornness) |
| determination(noun, resolve, resolution, firmness, severity) |
| harshness(noun, firmness, severity, conformity, strictness) |
| incompliance(noun, state, quality, resist, perseverance) |
| incompliancy(noun, state, quality, resist, perseverance) |
| mulishness(noun, determination, perseverance, obstinacy, stubbornness) |
| persistence(noun, resolve, determination, firmness, obstinacy) |
| rigorousness(noun, firmness, severity, strictness, rigidity) |