Synonyms|57Antonyms|4|Broader|0Narrower|0Related|19

26 entries under verb topic. ×

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eroding
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harden
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reinforce
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strengthen
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sustaining
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tolerating
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APASmart Define. (2015). toughening thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/toughening/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughening thesaurus" https://smartdefine.org/toughening/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, toughening thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/toughening/thesaurus/synonyms>.
MLASmart Define. "toughening thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/toughening/thesaurus/synonyms>