76 entries under strengthen topic. ×
| root for(verb, expression, support, develop, promote) | |
| sanction(verb, support, help, develop, favor) | |
| smile upon(verb, expression, support, develop, promote) | |
| solace(verb, support, develop, promote, favor) | |
| soup up(verb, expression, support, increase, sustain) | |
| spur(verb, support, help, develop, promote) | |
| steady | |
| stroke(verb, support, increase, boost, sustain) | |
| subscribe to(verb, expression, support, develop, promote) | |
| supplement(verb, support, increase, boost, sustain) | |
| toughen(verb, support, increase, boost, sustain) | |
| underline(verb, support, increase, boost, sustain) | |
| bulwark(verb, support, bolster) | |
| jack up(verb, expression, support, bolster) | |
| jazz up(verb, expression, support, bolster) | |
| step up(verb, expression, support, bolster) |
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| APA | Smart Define. (2015). back up thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/back_up/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "back up thesaurus" https://smartdefine.org/back_up/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, back up thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/back_up/thesaurus/synonyms>. |
| MLA | Smart Define. "back up thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/back_up/thesaurus/synonyms> |