Synonyms|316Antonyms|3|Broader|4Narrower|7Related|111

47 entries under harden topic. ×

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anneal(verb, prepare, strengthen, qualify)
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beef up(expression, strengthen)
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desensitize(verb, toughen)
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firm up(expression, strengthen)
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make difficult(expression, strengthen)
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reinforce
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shore up(expression, strengthen)
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APASmart Define. (2015). inure thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inure/thesaurus/synonyms
ChicagoSmart Define. 2015. "inure thesaurus" https://smartdefine.org/inure/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, inure thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inure/thesaurus/synonyms>.
MLASmart Define. "inure thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/inure/thesaurus/synonyms>