- Definitions|2
- Thesaurus|985
- Abbreviations|0
52 entries under stable topic. ×
| perennial(adjective, constant, stability, enduring) | |
| long-lasting(adjective, constant, enduring, lasting) | |
| set(adjective, calm, strong, secure, firm) | |
| continual(adjective, steady, regular, fixed) | |
| equable(adjective, calm, strong, secure, firm) | |
| unfluctuating(adjective, calm, strong, secure, firm) | |
| homogeneous(adjective, dull, steady, regular) | |
| of a piece(expression, adjective, idiom, steady) | |
| perduring(constant, enduring, lasting, perpetual) | |
| regular(adjective, dull, set, steady) | |
| unbroken(adjective, dull, steady, regular) | |
| unfading(fixed, constant, enduring, lasting) | |
| uninterrupted(adjective, dull, steady, regular) | |
| connected(adjective, dull, steady, regular) | |
| diurnal(constant, enduring, lasting, perpetual) | |
| for keeps(expression, constant, enduring, lasting) | |
| forever(constant, enduring, lasting, permanent) | |
| forever and a day(expression, constant, enduring, lasting) | |
| habitual(adjective, dull, steady, regular) | |
| imperishable(adjective, fixed, constant, enduring) |
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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> |