Synonyms|576Antonyms|83|Broader|17Narrower|5Related|326
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inflection
0
injustice
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laid back(expression, tighten)
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lay back(expression, tighten)
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lessen
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liberalize
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loll
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mitigate
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moderate
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modulate
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necklace
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palliate
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prejudice
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reduce
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reduction
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relent
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relieve
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rescind
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rope
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separate(verb, weaken, soften)
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APASmart Define. (2015). stiffen thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stiffen/thesaurus/antonyms
ChicagoSmart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, stiffen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stiffen/thesaurus/antonyms>.
MLASmart Define. "stiffen thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/stiffen/thesaurus/antonyms>