83 entries under firm topic. ×
| unbending(adjective, hard, solid, careless) | |
| calcified(adjective, set, solid, petrified) | |
| indurate(adjective, set, hard, solid) | |
| jelled(verb, adjective, hard, tough) | |
| petrified(verb, adjective, set, hard) | |
| steely(adjective, hard, solid, cold) | |
| taut(adjective, hard, solid, stiff) | |
| consolidated(verb, adjective, set, strong, hard) | |
| frozen(adjective, hard, solid, rigid) | |
| solid(adjective, set, strong, hard, tough) | |
| caked(verb, adjective, set, solid) | |
| compacted(verb, adjective, set, strong, hard) | |
| compressed(verb, adjective, set, strong, hard) | |
| fixed(adjective, set, hard, complete) | |
| graceless(adjective, hard, solid, stiff) | |
| resistant(adjective, strong, hard, tough, fit) | |
| rocklike(adjective, stiff, rigid) | |
| arthritic(adjective, hard, solid, stiff) | |
| benumbed(verb, adjective, hard, tough, severe) | |
| brittle(adjective, hard, solid, stiff) |
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| APA | Smart Define. (2016). hardened thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hardened/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, hardened thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardened/thesaurus/synonyms>. |
| MLA | Smart Define. "hardened thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/hardened/thesaurus/synonyms> |