93 entries under thicken topic. ×
| gel(verb, form, set, develop, combine) | |
| cement(verb, close, set, develop, secure) | |
| develop(verb, form, study, secure, join) | |
| embitter(verb, stabilize, toughen, season) | |
| inspissate(verb, set, swell, strengthen, dry) | |
| numb(verb, stabilize, toughen, season) | |
| blunt(verb, stabilize, toughen, season) | |
| callus(noun, verb, calcify, stabilize) | |
| concentrate(verb, develop, secure, join, unite) | |
| condense(verb, form, set, develop, secure) | |
| dull(verb, stabilize, toughen, season) | |
| gelatinize(verb, form, set, fix, develop) | |
| jelly(verb, form, set, develop, combine) | |
| paralyze(verb, stabilize, toughen, season) | |
| precipitate(verb, close, set, settle, firm) | |
| stabilize(verb, place, set, develop, secure) | |
| stun(verb, stabilize, toughen, season) | |
| stupefy(verb, stabilize, toughen, season) | |
| teach(verb, study, develop, improve, prepare) | |
| build up(verb, expression, support, increase, develop) |
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| APA | Smart Define. (2016). harden thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/harden/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, harden thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>. |
| MLA | Smart Define. "harden thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms> |