130 entries under develop topic. ×
| solidify(verb, form, close, place, set) | |
| congeal(verb, form, close, place, set) | |
| stiffen(verb, form, support, close, place) | |
| set(verb, form, support, close) | |
| strengthen(verb, support, close, set, meet) | |
| thicken(verb, form, close, place, set) | |
| coagulate(verb, form, close, set) | |
| inure(verb, study, improve, prepare) | |
| fortify(verb, support, close, set, strong) | |
| freeze(verb, form, close, set) | |
| reinforce(verb, support, close, set, increase) | |
| season(noun, verb, study, close, set) | |
| accustom(verb, study, improve, prepare) | |
| clot(verb, form, close, set) | |
| compact(verb, close, set, secure) | |
| habituate(verb, study, improve, prepare) | |
| crystallize(verb, form, close, set) | |
| discipline(verb, study, improve, prepare) | |
| gel(verb, form, set, combine) | |
| amalgamate(verb, close, set, meet) |
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| APA | Smart Define. (2016). harden thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/harden/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "harden thesaurus" https://smartdefine.org/harden/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, harden thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/harden/thesaurus/synonyms>. |
| MLA | Smart Define. "harden thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/harden/thesaurus/synonyms> |