90 entries under thicken topic. ×
| dull(verb, develop, rough, adjust, scratch) | |
| embitter(verb, dull, develop, rough, adjust) | |
| feed(verb, keep, maintain, encourage, raise) | |
| gelate(verb, form, set, fix, develop) | |
| gelatinate(set, freeze, coagulate, clot) | |
| gelatinize(verb, form, set, fix, develop) | |
| glob up(expression, set, freeze, coagulate) | |
| habituate(verb, dull, develop, rough, adjust) | |
| inflate(verb, harden, solidify, congeal) | |
| inure(verb, dull, develop, rough, adjust) | |
| jellify(verb, form, set, fix, develop) | |
| jelly(verb, form, set, fix, develop) | |
| make callous(verb, expression, dull, develop, rough) | |
| paralyze(verb, dull, develop, rough, adjust) | |
| refrigerate(set, freeze, chill, harden) | |
| render insensitive(verb, expression, dull, develop, rough) | |
| roughen(verb, dull, develop, rough, adjust) | |
| season(verb, dull, close, set, develop) | |
| stun(verb, dull, develop, rough, adjust) | |
| stupefy(verb, dull, develop, rough, adjust) |
For more, visit
Stiffen on
Power Thesaurus
| APA | Smart Define. (2015). stiffen thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stiffen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffen thesaurus" https://smartdefine.org/stiffen/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, stiffen thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stiffen/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffen thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/stiffen/thesaurus/synonyms> |