88 entries under unchanging topic. ×
| constant(adjective, calm, good, close, strong) | |
| durable(adjective, calm, strong, secure, tough) | |
| fast(adjective, calm, close, strong, secure) | |
| strong(adjective, calm, sound, tough, reasonable) | |
| well-founded(adjective, calm, good, strong, secure) | |
| consistent(adjective, certain, even, constant, rigid) | |
| resolute(adjective, calm, close, strong, secure) | |
| tough(adjective, calm, strong, secure, firm) | |
| tried-and-true(adjective, good, sensible, solid, fair) | |
| absolute(adjective, clear, strong, easy, firm) | |
| balanced(adjective, calm, strong, secure, easy) | |
| persistent(adjective, strong, tough, honest, certain) | |
| regular(adjective, firm, solid, exact, stable) | |
| sturdy(adjective, calm, strong, secure, tough) | |
| unchangeable(adjective, calm, strong, secure, firm) | |
| undeviating(adjective, even, rigid, inflexible, consistent) | |
| level(adjective, even, rigid, inflexible, consistent) | |
| normal(adjective, even, rigid, inflexible, authentic) | |
| set(adjective, calm, clear, strong, secure) | |
| stalwart(adjective, calm, strong, secure, firm) |
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| APA | Smart Define. (2016). reliable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/reliable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "reliable thesaurus" https://smartdefine.org/reliable/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, reliable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/reliable/thesaurus/synonyms>. |
| MLA | Smart Define. "reliable thesaurus" 3 March 2016. Web. 25 September 2026. <https://smartdefine.org/reliable/thesaurus/synonyms> |