- Definitions|2
- Thesaurus|985
- Abbreviations|0
76 entries under even topic. ×
| substantial(calm, strong, steady, constant) | |
| together(adjective, calm, strong, secure, firm) | |
| true(adjective, strong, firm, determined, serious) | |
| well-built(calm, strong, solid, steady, substantial) | |
| well-founded(calm, strong, solid, steady, substantial) | |
| committed(steady, unchanging) | |
| compatible(adjective, rigid, inflexible, reliable) | |
| fateful(adjective, rigid, inflexible, reliable) | |
| incorrigible(adjective, rigid, inflexible, reliable) | |
| normal(adjective, rigid, inflexible, reliable) | |
| ossified(adjective, rigid, inflexible, reliable) | |
| plumb(adjective, rigid, inflexible, reliable) | |
| sturdy(calm, strong, steady, substantial) | |
| symmetrical(adjective, reliable, unchanging, orderly) | |
| well-balanced(adjective, reliable, unchanging, orderly) | |
| well-proportioned(adjective, rigid, inflexible, reliable) |
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| 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> |