131 entries under strengthen topic. ×
| underpin(verb, support, hold, continue, stay) | |
| back up(verb, expression, phrasal verb, support, increase) | |
| harden(verb, support, increase, sustain, uphold) | |
| help(noun, verb, support, keep, maintain) | |
| stiffen(verb, support, calm, fix, increase) | |
| set(verb, support, calm, fix, sustain) | |
| toughen(verb, support, increase, sustain, uphold) | |
| assist(verb, support, help, keep, maintain) | |
| bear up(verb, expression, phrasal verb, support, hold) | |
| buoy(verb, support, help, keep, maintain) | |
| buoy up(verb, expression, support, maintain, promote) | |
| invigorate | |
| stabilize(verb, calm, fix, keep) | |
| steel(verb, support, fix, secure, ready) | |
| temper | |
| beef up(verb, expression, support, increase, sustain) | |
| boost(verb, support, help, increase, maintain) | |
| cushion(verb, support, help, boost, sustain) | |
| energize(verb, support, increase, sustain, uphold) | |
| finance(verb, maintain, encourage, raise, back) |
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| APA | Smart Define. (2015). prop thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/prop/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "prop thesaurus" https://smartdefine.org/prop/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, prop thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/prop/thesaurus/synonyms>. |
| MLA | Smart Define. "prop thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/prop/thesaurus/synonyms> |