- Definitions|1
- Thesaurus|693
- Abbreviations|0
96 entries under fixed topic. ×
| certain(adjective, definite, distinct, rigid) | |
| uniform(adjective, calm, strong, secure, firm) | |
| unvarying(adjective, calm, strong, secure, firm) | |
| immovable(adjective, set, hard, steady, regular) | |
| stubborn(adjective, determined, steady, definite) | |
| set(adjective, calm, strong, severe) | |
| ironclad(adjective, set, hard, stiff) | |
| obstinate(adjective, hard, determined, inflexible) | |
| resolute(adjective, calm, strong, hard, definite) | |
| eternal(adjective, persistent, continuous, endless) | |
| unwavering(adjective, calm, strong, definite) | |
| adamant(adjective, strong, hard, definite) | |
| inevitable(adjective, certain, expected, predictable) | |
| intractable(adjective, hard, determined, inflexible) | |
| stated(strong, certain, definite, rigid) | |
| unmodifiable(adjective, set, secure, steady) | |
| definite(adjective, strong, severe, certain) | |
| dogged(adjective, hard, determined, inflexible) | |
| everlasting(adjective, persistent, continuous, endless) | |
| obdurate(adjective, severe, definite, stiff) |
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| APA | Smart Define. (2015). unalterable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unalterable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unalterable thesaurus" https://smartdefine.org/unalterable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, unalterable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unalterable/thesaurus/synonyms>. |
| MLA | Smart Define. "unalterable thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/unalterable/thesaurus/synonyms> |