- Definitions|1
- Thesaurus|241
- Abbreviations|0
36 entries under adjective topic. ×
| obstinate(set, hard, stiff, rigid) | |
| single-minded(set, hard, stiff, rigid) | |
| staunch(set, hard, stiff, rigid) | |
| steadfast(set, hard, stiff, rigid) | |
| steely(set, hard, stiff, rigid) | |
| stringent(set, hard, stiff, rigid) | |
| unadaptable(set, hard, stiff, rigid) | |
| unalterable | |
| uncompliant(set, hard, stiff, rigid) | |
| uncompromising(set, hard, stiff, rigid) | |
| unswayable(set, hard, stiff, rigid) | |
| written | |
| carved in stone | |
| dictated | |
| set in concrete | |
| stiff(set, hard, resolute, rigid) |
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| APA | Smart Define. (2015). hard-and-fast thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hard-and-fast/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hard-and-fast thesaurus" https://smartdefine.org/hard-and-fast/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, hard-and-fast thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hard-and-fast/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-and-fast thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/hard-and-fast/thesaurus/synonyms> |