49 entries under stiffness topic. ×
| permanence(noun, strength, resolution, firmness, fortitude) | |
| rigidity(noun, firmness, protection, security, toughness) | |
| temper(noun, protection, security, rigidity, hardness) | |
| tensile strength(noun, expression, protection, security, rigidity) | |
| acerbity(firmness, rigidity) | |
| adherence(firmness, rigidity) | |
| austerity(firmness, rigidity) | |
| cohesion(firmness, rigidity) | |
| constancy(firmness, rigidity) | |
| dependability(firmness, rigidity) | |
| determination(firmness, stamina, endurance, rigidity) | |
| establishment(firmness, rigidity) | |
| firmness(noun, toughness, rigidity, hardness, solidity) | |
| grimness(firmness, rigidity) | |
| hardheartedness(firmness, rigidity) | |
| harshness(firmness, rigidity) | |
| immobility(firmness, rigidity) | |
| maturity(firmness, rigidity) | |
| resoluteness(firmness, rigidity) | |
| rigor(firmness, rigidity) |
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| APA | Smart Define. (2016). resistance thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/resistance/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "resistance thesaurus" https://smartdefine.org/resistance/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, resistance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/resistance/thesaurus/synonyms>. |
| MLA | Smart Define. "resistance thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/resistance/thesaurus/synonyms> |