Synonyms|507Antonyms|148|Broader|12Narrower|10Related|239
0
mildness
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motility
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panache
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permeability
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permissiveness
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persuasion
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pity
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plasticity
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pliancy
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porosity
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quietude
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refinement
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relief
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rest
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sensibility
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skill
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skillfulness
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slack(noun, excess, looseness)
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smoothness
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splendor
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APASmart Define. (2015). stiffness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiffness/thesaurus/antonyms
ChicagoSmart Define. 2015. "stiffness thesaurus" https://smartdefine.org/stiffness/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, stiffness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiffness/thesaurus/antonyms>.
MLASmart Define. "stiffness thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/stiffness/thesaurus/antonyms>