58 entries under firmness topic. ×
| support(noun, control, strength, balance) | |
| sureness(noun, support, control, strength, balance) | |
| acerbity(rigidity, stiffness) | |
| austerity(rigidity, stiffness) | |
| control(noun, balance, stability) | |
| equilibrium(noun, control, balance, stability) | |
| grimness(rigidity, stiffness) | |
| hardheartedness(rigidity, stiffness) | |
| harshness(rigidity, stiffness) | |
| inflexibility(rigidity, stiffness) | |
| rigorousness(rigidity, stiffness) | |
| severity(rigidity, stiffness) | |
| sharpness(rigidity, stiffness) | |
| sternness(rigidity, stiffness) | |
| stiffness | |
| strictness(rigidity, stiffness) | |
| stringency(rigidity, stiffness) | |
| unkindness(rigidity, stiffness) |
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| APA | Smart Define. (2015). permanence thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/permanence/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "permanence thesaurus" https://smartdefine.org/permanence/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, permanence thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/permanence/thesaurus/synonyms>. |
| MLA | Smart Define. "permanence thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/permanence/thesaurus/synonyms> |