93 entries under expression topic. ×
| freshen up(jellied, gel, calcify) | |
| get hard(verb, set, freeze, harden) | |
| give a boost to(verb, idiom, revive, refresh) | |
| grow rigid | |
| grow stiff | |
| grow thick(swell, expand, condense, thicken) | |
| hold back(verb, phrasal verb) | |
| hold up(verb, support, sustain, uphold) | |
| looking after(raise, back, strengthen) | |
| make stiff | |
| make stronger(verb, toughen) | |
| make sweet(verb, jellied, curdled, sugaring) | |
| make sweeter(verb, jellied, curdled, sugaring) | |
| make toothsome(verb, jellied, curdled, sugaring) | |
| paid for(maintain, encourage, raise, uphold) | |
| pep up(verb, revive, refresh, reinvigorate) | |
| poke out(rise, prickle) | |
| pour it on(verb, idiom, encourage, restore) | |
| press down(firm, harden) | |
| render hard(idiom, hardness) |
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| APA | Smart Define. (2015). stiffen thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/stiffen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, stiffen thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/stiffen/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffen thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/stiffen/thesaurus/synonyms> |