417 entries under verb topic. ×
| solidify(form, close, place, set) | |
| congeal(form, close, place, set) | |
| stiffen(form, support, close, place) | |
| set(form, support, close, develop) | |
| strengthen(support, close, set, meet) | |
| thicken(form, close, place, set) | |
| coagulate(form, close, set, develop) | |
| brace(noun, support, close, set) | |
| indurate(adjective, close, set, settle) | |
| cake(noun, close, set, settle) | |
| inure(study, develop, improve, prepare) | |
| fortify(support, close, set, strong) | |
| freeze(form, close, set, develop) | |
| jell(close, set, settle, firm) | |
| reinforce(support, close, set, increase) | |
| season(noun, study, close, set) | |
| temper(noun, close, set, settle) | |
| toughen(support, close, set, increase) | |
| ossify(close, set, hard, settle) | |
| accustom(study, develop, improve, prepare) |
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| APA | Smart Define. (2016). harden thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/harden/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, harden thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>. |
| MLA | Smart Define. "harden thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms> |