21 entries under permanent topic. ×
| immortal(adjective, constant, continuous, endless, indefinite) | |
| ageless(adjective, change, endless, enduring, lasting) | |
| dateless(adjective, change, steady, constant, lasting) | |
| unceasing(adjective, continue, steady, constant, continuous) | |
| lasting(adjective, vast, everlasting, eternal) | |
| perennial(adjective, constant, endless, indefinite, lasting) | |
| abiding(adjective, lasting, everlasting, eternal) | |
| immemorial(adjective, vast, lasting, infinite) | |
| imperishable(adjective, vast, lasting, everlasting) | |
| indestructible(adjective, lasting, everlasting, eternal) | |
| unremitting(adjective, continue, steady, constant, lasting) | |
| persistent(adjective, continue, steady, constant, continuous) | |
| immutable(adjective, lasting, everlasting, unending) | |
| unfading(vast, lasting, everlasting, eternal) | |
| forever(adjective, vast, lasting, everlasting) | |
| indefinite(adjective, lasting, everlasting, eternal) | |
| without end(expression, adjective, vast, lasting) | |
| continued(adjective, steady, stable, regular, lasting) | |
| perdurable(lasting, everlasting, eternal, unending) | |
| termless(adjective, vast, lasting, infinite) |
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| APA | Smart Define. (2016). timeless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/timeless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "timeless thesaurus" https://smartdefine.org/timeless/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, timeless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/timeless/thesaurus/synonyms>. |
| MLA | Smart Define. "timeless thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/timeless/thesaurus/synonyms> |