14 entries under strengthening topic. ×
| toughening(noun, verb) | |
| tempering | |
| strengthening | |
| bracing | |
| fortifying | |
| invigorating(verb, adjective) | |
| reinforcing | |
| buttressing | |
| empowering | |
| energizing | |
| enlivening | |
| propping | |
| supporting | |
| vivifying |
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| APA | Smart Define. (2015). hardening thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hardening/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardening thesaurus" https://smartdefine.org/hardening/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, hardening thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hardening/thesaurus/synonyms>. |
| MLA | Smart Define. "hardening thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/hardening/thesaurus/synonyms> |