341 entries under verb topic. ×
| nerve(close, set, fix, settle) | |
| petrify(close, set, fix, settle) | |
| starch(close, set, fix, settle) | |
| sustain(support, calm, fix, increase) | |
| callous(dull, close, set, fix) | |
| candy(harden, jellied, thicken, solidify) | |
| chill(set, freeze, harden, thicken) | |
| close(set, fix, settle, firm) | |
| condense(form, set, fix, develop) | |
| confirm(encourage, restore, revive, refresh) | |
| curdle(close, set, fix, settle) | |
| fasten(calm, place, set, fix) | |
| gird(close, set, fix, settle) | |
| increase(support, sustain, uphold, strengthen) | |
| intensify | |
| numb(dull, develop, rough, adjust) | |
| precipitate(close, set, fix, settle) | |
| refresh(encourage, restore, revive, reassure) | |
| reinvigorate(revive, refresh) | |
| restrain |
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| APA | Smart Define. (2015). stiffen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stiffen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, stiffen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stiffen/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffen thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/stiffen/thesaurus/synonyms> |