75 entries under adjective topic. ×
| reliable | |
| covered(verb, secure, guarded, sheltered) | |
| endorsed(verb, certain, definite, sure) | |
| secure(set, firm, solid, certain) | |
| set(clear, sound, firm, plain) | |
| stipulated(verb, promised) | |
| trustworthy | |
| agreed(verb, promised) | |
| confirmed(verb, set, solid, certain) | |
| consented(verb, promised) | |
| infallible(clear, certain, flawless, valid) | |
| nailed down(expression, clear, simple, plain) | |
| on ice(expression, clear, firm, solid) | |
| open-and-shut | |
| safe(clear, hard, sound, secure) | |
| settled(set, solid, certain, fixed) | |
| sure-fire(certain, definite, sure, flawless) | |
| unfailing(certain, flawless, unquestionable, undisputable) | |
| absolutely certain(expression, set, solid, certain) | |
| beyond doubt(expression, set, solid, certain) |
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| APA | Smart Define. (2015). guaranteed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/guaranteed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "guaranteed thesaurus" https://smartdefine.org/guaranteed/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, guaranteed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/guaranteed/thesaurus/synonyms>. |
| MLA | Smart Define. "guaranteed thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/guaranteed/thesaurus/synonyms> |