- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
133 entries under constant topic. ×
| changeless(adjective, firm, solid, certain, steady) | |
| immutable(adjective, calm, strong, secure, firm) | |
| tough(adjective, calm, clear, strong, severe) | |
| stalwart(adjective, calm, strong, tough, keen) | |
| trustworthy(adjective, good, close, strong, correct) | |
| trusty(adjective, good, close, strong, correct) | |
| unfailing(adjective, good, strong, honest, solid) | |
| secure(verb, adjective, calm, strong, firm) | |
| sturdy(adjective, calm, strong, tough, firm) | |
| true-blue(adjective, good, close, strong, kind) | |
| ardent(adjective, close, kind, correct, keen) | |
| certain(adjective, good, strong, complete, easy) | |
| liege(adjective, continue, firm, honest, sensible) | |
| set in stone(expression, adjective, idiom, calm, strong) | |
| unvarying(adjective, calm, strong, secure, firm) | |
| allegiant(adjective, close, correct, continue, keen) | |
| committed(adjective, kind, keen, warm, firm) | |
| confirmed(adjective, certain, determined, usual, steady) | |
| continuous(adjective, certain, steady, stable, regular) | |
| strict(adjective, close, strong, correct, flat) |
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| APA | Smart Define. (2016). steadfast thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/steadfast/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "steadfast thesaurus" https://smartdefine.org/steadfast/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, steadfast thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/steadfast/thesaurus/synonyms>. |
| MLA | Smart Define. "steadfast thesaurus" 11 March 2016. Web. 24 September 2026. <https://smartdefine.org/steadfast/thesaurus/synonyms> |