Synonyms|93Antonyms|7|Broader|6Narrower|1Related|61
3
action
3
natural process
2
natural action
1
procedure
0
activity
0
process
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APASmart Define. (2015). stiffening thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stiffening/thesaurus/broader
ChicagoSmart Define. 2015. "stiffening thesaurus" https://smartdefine.org/stiffening/thesaurus/broader (accessed September 24, 2026).
HarvardSmart Define 2015, stiffening thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stiffening/thesaurus/broader>.
MLASmart Define. "stiffening thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/stiffening/thesaurus/broader>