- Definitions|2
- Thesaurus|985
- Abbreviations|0
61 entries under rigid topic. ×
| undiversified(adjective, set, regular, even, constant) | |
| unfailing(set, regular, fixed, constant) | |
| unrelenting(adjective, set, hard, stiff, persistent) | |
| fated(adjective, fixed, even, inflexible) | |
| habitual(adjective, dull, steady, stable, regular) | |
| hard-and-fast(adjective, set, hard, stiff) | |
| monotonous(adjective, dull, set, steady, stable) | |
| obdurate(adjective, hard, steady, fixed) | |
| stringent(adjective, set, hard, stiff) | |
| true(adjective, strong, firm, determined, serious) | |
| uncompliant(adjective, set, hard, stiff) | |
| unswayable(adjective, set, hard, stiff) | |
| compatible(adjective, even, inflexible, reliable) | |
| dyed-in-the-wool(hard, resolute, inflexible, strict) | |
| fateful(adjective, even, inflexible, reliable) | |
| incorrigible(adjective, even, inflexible, reliable) | |
| normal(adjective, even, inflexible, reliable) | |
| ossified(adjective, even, inflexible, reliable) | |
| plumb(adjective, even, inflexible, reliable) | |
| same(set, regular, fixed, constant) |
For more, visit
Immutable on
Power Thesaurus
| APA | Smart Define. (2015). immutable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/immutable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "immutable thesaurus" https://smartdefine.org/immutable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, immutable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/immutable/thesaurus/synonyms>. |
| MLA | Smart Define. "immutable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/immutable/thesaurus/synonyms> |