Synonyms|507Antonyms|148|Broader|12Narrower|10Related|239
2
force(noun, compulsion, intimidation)
2
form(noun, quality, feeling, touch, character)
2
gravity(severity, strictness, sternness)
2
hardiness(noun, roughness)
2
hardship(noun, severity, harshness, conformity, strictness)
2
heaviness(density, thickness, depth, impermeability, width)
2
impliability(noun, protection, security, rigidity, hardness)
2
ineptitude
2
insensibility
2
intransigence(severity, harshness, strictness)
2
pomposity(noun, stuffiness)
2
prudery(noun, firmness, rigidity, affectation)
2
puritanism(severity, strictness, sternness)
2
resistance(noun, firmness, protection, security, toughness)
2
rigourousness
2
robustness(noun, strength, roughness)
2
roughness(noun, quality, feeling, touch, character)
2
scratchiness
2
security(noun, firmness, protection, rigidity, tightness)
2
solemnity(severity, strictness, sternness)
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APASmart Define. (2015). stiffness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/stiffness/thesaurus/synonyms
ChicagoSmart Define. 2015. "stiffness thesaurus" https://smartdefine.org/stiffness/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, stiffness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/stiffness/thesaurus/synonyms>.
MLASmart Define. "stiffness thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/stiffness/thesaurus/synonyms>