75 entries under uphold topic. ×
| set(verb, form, support, calm, close) | |
| harden(verb, form, support, close, place) | |
| strengthen(verb, support, dull, close, set) | |
| fortify(verb, support, close, set, fix) | |
| toughen(verb, support, close, set, fix) | |
| prop(noun, verb, support, calm, fix) | |
| support(noun, verb, calm, fix, increase) | |
| back(verb, keep, maintain, encourage, raise) | |
| beef up(verb, expression, phrasal verb, support, increase) | |
| buttress(verb, support, calm, close, set) | |
| energize(verb, support, increase, encourage, restore) | |
| sustain(verb, support, calm, fix, increase) | |
| increase(verb, support, sustain, strengthen) | |
| shore up(verb, expression, support, increase, sustain) | |
| stroke(verb, support, increase, keep, maintain) | |
| add fuel to fire(verb, expression, idiom, support, increase) | |
| add to(verb, expression, support, increase, sustain) | |
| angel(verb, keep, maintain, encourage, raise) | |
| attend to(verb, expression, keep, maintain, encourage) | |
| augment(verb, support, increase, sustain) |
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| APA | Smart Define. (2015). stiffen thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stiffen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, stiffen thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stiffen/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffen thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/stiffen/thesaurus/synonyms> |