85 entries under fixed topic. ×
| unchangeable(adjective, calm, strong, solid, substantial) | |
| continual(adjective, usual, steady, stable, regular) | |
| immobile(secure, steady, immovable, static) | |
| imperishable(adjective, constant, enduring, lasting) | |
| continuing(adjective, time, continue, established) | |
| set(verb, adjective, calm, steady, stable) | |
| unchanged(adjective, unaffected, static, unvarying) | |
| unvarying(adjective, calm, strong, secure, firm) | |
| ageless(adjective, lasting, unchanging, unchangeable) | |
| indelible(adjective, firm, true, constant) | |
| irrevocable(adjective, unchangeable) | |
| regular(adjective, usual, steady, stable, routine) | |
| unfailing(steady, constant, continuous, frequent) | |
| uninterrupted(adjective, steady, stable, regular) | |
| faithful(firm, true, constant, steadfast) | |
| loyal(firm, true, constant, steadfast) | |
| solid(adjective, calm, strong, secure, steady) | |
| unfading(adjective, constant, vast, enduring) | |
| irretrievable(adjective, unchangeable, unalterable) | |
| rooted(verb, adjective, secure, usual, steady) |
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| APA | Smart Define. (2016). permanent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/permanent/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "permanent thesaurus" https://smartdefine.org/permanent/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, permanent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/permanent/thesaurus/synonyms>. |
| MLA | Smart Define. "permanent thesaurus" 26 February 2016. Web. 21 September 2026. <https://smartdefine.org/permanent/thesaurus/synonyms> |