103 entries under harden topic. ×
| vitrify(verb, close, set, fix, settle) | |
| become firm(verb, expression, fix) | |
| become hard(verb, expression, set) | |
| braze(verb, set) | |
| casehardened(close, set, firm, dry) | |
| clarify | |
| frost(freeze, chill, ice, refrigerate) | |
| get hard(verb, expression, set, freeze) | |
| inflate(verb, strengthen, reinforce, thicken) | |
| lapidify | |
| make hard | |
| mineralize | |
| mold(verb, set) | |
| nip(freeze, bite, chill, ice) | |
| press down(expression, firm) | |
| prop(verb, strengthen, reinforce, thicken) | |
| tamp(verb, firm, pack, squeeze) | |
| tauten(verb, strengthen, reinforce, thicken) | |
| tense(verb, strengthen, reinforce, thicken) | |
| toughen up(verb, expression, set) |
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| APA | Smart Define. (2016). solidify thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/solidify/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "solidify thesaurus" https://smartdefine.org/solidify/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, solidify thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/solidify/thesaurus/synonyms>. |
| MLA | Smart Define. "solidify thesaurus" 5 February 2016. Web. 24 September 2026. <https://smartdefine.org/solidify/thesaurus/synonyms> |