238 entries under adjective topic. ×
| iron(mean, hard, tough, harsh) | |
| ironclad(firm, cruel, determined, usual) | |
| lasting(calm, strong, solid, steady) | |
| long-lasting(stable, constant, enduring, lasting) | |
| mean(hard, tough, harsh, unfeeling) | |
| monolithic(set, firm, solid, hardened) | |
| nailed(calm, strong, solid, steady) | |
| never-failing(firm, solid, steady, substantial) | |
| perdurable(calm, strong, solid, substantial) | |
| perduring(stable, constant, vast, enduring) | |
| perennial(stable, constant, enduring, lasting) | |
| persistent(stable, constant, enduring, lasting) | |
| pertinacious(determined, resolute, obstinate, uncompromising) | |
| perverse(mean, hard, tough, difficult) | |
| petrified(set, firm, solid, hardened) | |
| pig-headed(determined, resolute, obstinate, uncompromising) | |
| poised(calm, strong, secure, firm) | |
| poured(set, firm, solid, hardened) | |
| prearranged(firm, determined, usual, regular) | |
| precast(set, firm, solid, stiff) |
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| APA | Smart Define. (2015). set in stone thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/set_in_stone/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "set in stone thesaurus" https://smartdefine.org/set_in_stone/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, set in stone thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/set_in_stone/thesaurus/synonyms>. |
| MLA | Smart Define. "set in stone thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/set_in_stone/thesaurus/synonyms> |