- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
| strengthen(verb, support, fix, reduce, destroy) | |
| bolster(verb, stop, help) | |
| reinforce(verb, hurt, reduce, strengthen, augment) | |
| support(noun, verb, fix, block, deny) | |
| aid(noun, verb, support, fix) | |
| invigorate | |
| encourage(verb, support, stop, fix, reject) | |
| assist(verb, support, fix, check, hinder) | |
| boost(noun, verb, stop, reduce, improve) | |
| fortify | |
| hearten | |
| improve | |
| toughen | |
| assure | |
| augment(verb, hurt, reduce, diminish) | |
| backing | |
| brace(release, weaken) | |
| confirm | |
| consolidate | |
| corroborate |
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| APA | Smart Define. (2015). undermine thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/undermine/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "undermine thesaurus" https://smartdefine.org/undermine/thesaurus/antonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, undermine thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/undermine/thesaurus/antonyms>. |
| MLA | Smart Define. "undermine thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/undermine/thesaurus/antonyms> |