- Definitions|2
- Thesaurus|574
- Abbreviations|0
64 entries under increase topic. ×
| strengthen(verb, support, close, set, fix) | |
| brace(verb, support, close, set, fix) | |
| harden(verb, support, close, set) | |
| fortify(verb, support, close, set, fix) | |
| reinforce(verb, support, close, set, fix) | |
| anneal(verb, support, close, set, fix) | |
| confirm(verb, support, establish, extend) | |
| invigorate(verb, support, encourage, establish) | |
| stiffen(verb, support, close, set, fix) | |
| buttress(verb, support, close, set, fix) | |
| support(verb, establish, extend, sustain) | |
| energize(verb, support, sustain, uphold) | |
| intensify(verb, support, establish, extend) | |
| prop(verb, support, sustain, uphold) | |
| steel(verb, support, close, set, fix) | |
| beef up(verb, expression, phrasal verb, support) | |
| bolster(verb, support, establish, extend) | |
| empower(verb, support, establish, extend) | |
| enhance(verb, support, establish, extend) | |
| rejuvenate(verb, support, encourage, establish) |
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| APA | Smart Define. (2015). toughen thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, toughen thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>. |
| MLA | Smart Define. "toughen thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms> |