45 entries under firm topic. ×
| stony(adjective, set, strong, hard) | |
| tough(adjective, set, hard, solid) | |
| caked(adjective, set, solid, heavy) | |
| calcified(adjective, set, solid, hardened) | |
| callous(adjective, set, strong, hard) | |
| cemented(adjective, set, solid, hardened) | |
| close-grained(adjective, set, hard, tough) | |
| congealed(adjective, set, hard, tough) | |
| conglomerated(verb, adjective, set, solid) | |
| dried(adjective, set, solid, hardened) | |
| indurate(adjective, set, strong, hard) | |
| monolithic(adjective, set, solid, hardened) | |
| petrified(adjective, set, solid, hardened) | |
| poured(adjective, set, solid, hardened) | |
| precast(adjective, set, solid, hardened) | |
| set in stone(expression, adjective, idiom, set) | |
| steeled(adjective, set, solid, hardened) | |
| strong(adjective, close, set, hard) | |
| adamantine(adjective, set, strong, hard) | |
| durable(adjective, stiff, rigid) |
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| APA | Smart Define. (2016). compressed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/compressed/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "compressed thesaurus" https://smartdefine.org/compressed/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, compressed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/compressed/thesaurus/synonyms>. |
| MLA | Smart Define. "compressed thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/compressed/thesaurus/synonyms> |