37 entries under regular topic. ×
| persistent(adjective, strong, tough, continue, strain) | |
| stable(adjective, strong, secure, tough, strain) | |
| firm(adjective, calm, strong, secure, tough) | |
| constant(adjective, calm, strong, secure, tough) | |
| perpetual(adjective, strain, usual, steady, stable) | |
| consistent(adjective, strain, usual, steady, stable) | |
| unfluctuating(adjective, calm, strong, secure, strain) | |
| fixed(verb, adjective, strong, secure, tough) | |
| invariable(adjective, calm, strong, secure, strain) | |
| steadfast(adjective, calm, strong, secure, strain) | |
| unalterable(adjective, calm, strong, secure, strain) | |
| steady(adjective, calm, strong, secure, strain) | |
| immutable(adjective, calm, strong, secure, firm) | |
| unchanging(adjective, firm, steady, stable) | |
| stabile(adjective, calm, strong, secure, strain) | |
| continual(adjective, usual, steady, stable) | |
| chronic(adjective, usual, routine, normal) | |
| unvarying(adjective, calm, strong, secure, firm) | |
| uninterrupted(adjective, steady, stable, fixed) | |
| equable(adjective, calm, strong, secure, firm) |
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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> |