| guts(noun, resolve, determination, firmness, persistence) |
| gutsiness(noun, resolve, determination, firmness, persistence) |
| guttiness(noun, resolve, determination, firmness, persistence) |
| halting(support, fight, opposition, resistance, fighting) |
| hard-bittenness |
| hard-nosedness |
| hardheadedness(obstinacy, stubbornness, unreasonableness, willfulness, mulishness) |
| heart(noun, resolve, determination, firmness, persistence) |
| hindrance(support, opposition, resistance, fighting, impermeability) |
| holding(support, fight, opposition, resistance, fighting) |
| immovability |
| immutability |
| impedance(support, fight, opposition, resistance, fighting) |
| impediment(support, opposition, resistance, fighting, impermeability) |
| impeding(support, fight, opposition, resistance, fighting) |
| impliability |
| indomitability(noun, perseverance, obstinacy, stubbornness, inflexibility) |
| inelasticity |
| insusceptibility(noun, resistance, impermeability, invulnerability) |
| intestinal fortitude(noun, expression, resolve, determination, firmness) |