- Definitions|1
- Thesaurus|487
- Abbreviations|0
42 entries under rigid topic. ×
| firm(adjective, set, hard, usual, regular) | |
| inflexible(adjective, set, hard, severe, harsh) | |
| unalterable(adjective, set, hard, fixed, stiff) | |
| stiff(adjective, set, hard, severe, harsh) | |
| stubborn(adjective, firm, determined, usual, regular) | |
| uncompromising(adjective, fixed) | |
| certain(adjective, set, determined, usual, regular) | |
| definite(adjective, firm, determined, usual, regular) | |
| strict(adjective, set, hard, severe, harsh) | |
| unwavering(adjective, fixed) | |
| agreed(adjective, firm, determined, usual, regular) | |
| confirmed(adjective, firm, determined, usual, regular) | |
| settled(adjective, firm, determined, usual, regular) | |
| stated(adjective, firm, determined, usual, regular) | |
| stringent(adjective, tight) | |
| sure(adjective, set, certain, fixed) | |
| abiding(adjective, fixed) | |
| acrimonious(adjective, severe, harsh, stiff) | |
| arranged(adjective, firm, determined, usual, regular) | |
| binding(adjective, severe, harsh, stiff) |
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| APA | Smart Define. (2015). ironclad thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/ironclad/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ironclad thesaurus" https://smartdefine.org/ironclad/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, ironclad thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/ironclad/thesaurus/synonyms>. |
| MLA | Smart Define. "ironclad thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/ironclad/thesaurus/synonyms> |