82 entries under firmness topic. ×
| strictness(noun, easy, condition, discipline) | |
| viscidity(noun, tenacity, texture, thickness) | |
| acerbity(noun, discipline, severity, harshness) | |
| cohesion(noun, support, control, strength, balance) | |
| fastness(noun, support, control, change, strength) | |
| steadiness(noun, support, control, change, strength) | |
| substantiality(noun, support, control, strength, balance) | |
| sureness(noun, support, control, change, strength) | |
| compactness(noun, protection, security, rigidity) | |
| density(noun, protection, security, rigidity) | |
| determination(noun, support, control, strength, balance) | |
| durability(noun, support, control, strength, balance) | |
| formality(severity, strictness, rigidity, inflexibility) | |
| security(noun, support, control, change, strength) | |
| solidness(noun, support, control, strength, balance) | |
| stableness(noun, support, control, change, strength) | |
| steadfastness(noun, support, control, strength, balance) | |
| thickness(density, texture, impermeability, runniness) | |
| viscosity(texture, thickness, runniness) | |
| viscousness(texture, thickness, runniness) |
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| APA | Smart Define. (2015). hardness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hardness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardness thesaurus" https://smartdefine.org/hardness/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, hardness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardness/thesaurus/synonyms>. |
| MLA | Smart Define. "hardness thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/hardness/thesaurus/synonyms> |