157 entries under noun topic. ×
| immobility(firmness, stability, toughness, rigidity) | |
| stability(firmness, stability, rigidity) | |
| starch(drive, stiff, strengthener) | |
| viscidity | |
| abrasiveness(roughness, unevenness, thickness) | |
| badness | |
| density(protection, security, rigidity, hardness) | |
| determination(firmness, severity, strictness, rigidity) | |
| doggedness | |
| durability(firmness, protection, security, toughness) | |
| force(compulsion, intimidation) | |
| form(quality, feeling, touch, character) | |
| hardiness | |
| hardship(severity, harshness, conformity, strictness) | |
| impliability(protection, security, rigidity, hardness) | |
| ineptitude | |
| insensibility | |
| pomposity | |
| prudery(firmness, rigidity, affectation) | |
| resistance(firmness, protection, security, toughness) |
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| APA | Smart Define. (2015). stiffness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stiffness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffness thesaurus" https://smartdefine.org/stiffness/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, stiffness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stiffness/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffness thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/stiffness/thesaurus/synonyms> |