200 entries under noun topic. ×
| cogency | |
| compactness(firmness, protection, security, rigidity) | |
| contrariness | |
| cruel-heartedness(quality, cruelty, atrocity, inhumanity) | |
| cumbersomeness | |
| density(firmness, protection, security, rigidity) | |
| determination(support, control, strength, balance) | |
| durability(support, control, strength, balance) | |
| formidability | |
| hardiness(strength, resistance, toughness, durability) | |
| impenetrability(protection, security, cruelty, rigidity) | |
| impermeability(protection, security, rigidity, density) | |
| imperviousness(protection, security, rigidity, density) | |
| impliability(protection, security, rigidity, density) | |
| indifference | |
| inexorability | |
| inexorableness | |
| inhumanity | |
| security(support, control, change, strength) | |
| solidness(support, control, strength, balance) |
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| APA | Smart Define. (2015). hardness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hardness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardness thesaurus" https://smartdefine.org/hardness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, hardness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hardness/thesaurus/synonyms>. |
| MLA | Smart Define. "hardness thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/hardness/thesaurus/synonyms> |