- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
71 entries under firmness topic. ×
| steamroller(noun, health, force, body, power) | |
| strong arm(noun, expression, health, force, body) | |
| support(noun, control, strength, balance) | |
| sureness(noun, support, control, change, strength) | |
| tenacity(noun, health, force, body, power) | |
| vim(noun, health, force, body, power) | |
| zip(noun, health, force, body, power) | |
| control(noun, balance, stability) | |
| durableness(hardness, durability, permanence, indestructibility) | |
| imperishability(hardness, durability, permanence, indestructibility) | |
| starch(hardness, durability, permanence, indestructibility) |
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| APA | Smart Define. (2015). soundness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/soundness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "soundness thesaurus" https://smartdefine.org/soundness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, soundness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/soundness/thesaurus/synonyms>. |
| MLA | Smart Define. "soundness thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/soundness/thesaurus/synonyms> |