Synonyms|40Antonyms|9|Broader|0Narrower|0Related|22
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toughen
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toughened
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APASmart Define. (2013). toughens thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/toughens/thesaurus/related
ChicagoSmart Define. 2013. "toughens thesaurus" https://smartdefine.org/toughens/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 2013, toughens thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/toughens/thesaurus/related>.
MLASmart Define. "toughens thesaurus" 17 June 2013. Web. 29 September 2026. <https://smartdefine.org/toughens/thesaurus/related>