60 entries under stable topic. ×
| uniform(adjective, smooth, right, flat, level) | |
| enduring(adjective, certain, determined, persistent) | |
| invariable(adjective, certain, steady, regular) | |
| abiding(adjective, certain, persistent, constant) | |
| consistent(adjective, direct, smooth, right, flat) | |
| fixed(adjective, determined, usual, steady) | |
| persisting(adjective, determined, resolute, persistent) | |
| durable(adjective, constant, enduring, lasting) | |
| homogeneous(adjective, dull, steady, regular) | |
| immutable(adjective, steady, regular, fixed) | |
| indestructible(constant, enduring, lasting, durable) | |
| perdurable(constant, enduring, lasting, permanent) | |
| steadfast(adjective, dull, certain, determined, steady) | |
| changeless(constant, enduring, lasting, durable) | |
| diurnal(constant, enduring, lasting, durable) | |
| equable(adjective, dull, smooth, steady) | |
| firm(adjective, dull, determined, steady) | |
| for keeps(expression, constant, enduring, lasting) | |
| forever(adverb, constant, enduring, lasting) | |
| forever and a day(expression, idiom, constant, lasting) |
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| APA | Smart Define. (2016). continual thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/continual/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "continual thesaurus" https://smartdefine.org/continual/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, continual thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/continual/thesaurus/synonyms>. |
| MLA | Smart Define. "continual thesaurus" 12 February 2016. Web. 22 September 2026. <https://smartdefine.org/continual/thesaurus/synonyms> |