Synonyms|633Antonyms|195|Broader|12Narrower|11Related|609

71 entries under firmness topic. ×

4
dependability(noun, support, control, strength, balance)
4
resoluteness(noun, support, control, strength, balance)
4
stableness(noun, health, support, control, change)
4
substantiality(noun, support, control, strength, balance)
3
balance(noun, support, control, understanding, strength)
3
cohesion(noun, support, control, strength, balance)
3
endurance(noun, support, action, control, go)
3
immobility(noun, support, control, strength, balance)
3
stamina(noun, health, force, power, strength)
3
vitality(noun, health, force, body, power)
2
body(noun, health, force, power, strength)
2
energy(noun, health, force, body, power)
2
equilibrium(noun, control, balance, stability)
2
hardiness(noun, health, force, body, power)
2
lustiness(noun, health, force, body, power)
2
nerve(noun, health, force, body, power)
2
steadfastness(noun, support, control, strength, balance)
2
stoutness(noun, health, force, body, power)
2
substance(noun, health, force, body, power)
2
verdure(noun, health, force, body, power)
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APASmart Define. (2015). soundness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/soundness/thesaurus/synonyms
ChicagoSmart Define. 2015. "soundness thesaurus" https://smartdefine.org/soundness/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, soundness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/soundness/thesaurus/synonyms>.
MLASmart Define. "soundness thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/soundness/thesaurus/synonyms>