Synonyms|93Antonyms|7|Broader|6Narrower|1Related|61

5 entries under verb topic. ×

1
loosening
1
relaxing
0
flexing
0
loosen
0
softening
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APASmart Define. (2015). stiffening thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/stiffening/thesaurus/antonyms
ChicagoSmart Define. 2015. "stiffening thesaurus" https://smartdefine.org/stiffening/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, stiffening thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/stiffening/thesaurus/antonyms>.
MLASmart Define. "stiffening thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/stiffening/thesaurus/antonyms>