- Definitions|2
- Thesaurus|574
- Abbreviations|0
170 entries under verb topic. ×
| strengthen(support, close, set, fix) | |
| brace(support, close, set, fix) | |
| harden(support, close, set, increase) | |
| fortify(support, close, set, fix) | |
| reinforce(support, close, set, fix) | |
| temper(noun, close, set, fix) | |
| acclimate(close, set, keep, overcome) | |
| acclimatize(close, set, fix, continue) | |
| anneal(support, close, set, fix) | |
| confirm(support, increase, establish, extend) | |
| invigorate(support, increase, encourage, establish) | |
| season(close, set, keep, overcome) | |
| stiffen(support, close, set, fix) | |
| indurate(close, set, fix, settle) | |
| inure(rough, prepare, strengthen, scratch) | |
| accustom(rough, prepare, adjust, scratch) | |
| buttress(support, close, set, fix) | |
| callous(adjective, close, set, fix) | |
| support(increase, establish, extend, sustain) | |
| develop(strengthen, scratch, harden, roughen) |
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| APA | Smart Define. (2015). toughen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, toughen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>. |
| MLA | Smart Define. "toughen thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms> |