140 entries under fixed topic. ×
| liege(adjective, continue, firm, honest, sensible) | |
| sure(adjective, calm, good, close, strong) | |
| ageless(adjective, unchanging, permanent, static) | |
| allegiant(adjective, close, correct, continue, keen) | |
| inflexible(adjective, strong, secure, moderate, flat) | |
| static(adjective, set, still, regular) | |
| ingrained(usual, persistent, established, hardened) | |
| inveterate(familiar, usual, persistent, established) | |
| irrevocable(adjective, certain, unquestionable, permanent) | |
| single-minded(adjective, firm, sensible, solid, steady) | |
| uncompromising(adjective, clear, firm, resolute) | |
| unfading(stable, enduring, lasting, unchangeable) | |
| unflappable(adjective, calm, smooth, steady, temperate) | |
| unshaken(adjective, set, clear, strong, flat) | |
| balanced(adjective, calm, strong, secure, smooth) | |
| calm(adjective, quiet, strong, secure, smooth) | |
| immobile(adjective, secure, still, steady) | |
| imperishable(adjective, stable, continuous, enduring) | |
| indelible(adjective, firm, true, steadfast) | |
| irreversible(adjective, even, rigid, inflexible) |
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| APA | Smart Define. (2016). constant thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/constant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "constant thesaurus" https://smartdefine.org/constant/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, constant thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/constant/thesaurus/synonyms>. |
| MLA | Smart Define. "constant thesaurus" 12 February 2016. Web. 21 September 2026. <https://smartdefine.org/constant/thesaurus/synonyms> |