- Definitions|0
- Thesaurus|343
- Abbreviations|0
| ensured(adjective, set, solid, certain, sure) | |
| eternal | |
| fact(noun, trust, confidence, stock, inevitability) | |
| faith(noun, store, trust, confidence, assurance) | |
| faithworthy | |
| fast | |
| firmness(noun, store, trust, confidence, assurance) | |
| fixed(adjective, set, solid, certain, definite) | |
| foolproof | |
| foregone conclusion(noun, expression, belief, trust, confidence) | |
| fortunate | |
| guaranteed(adjective, set, firm, solid, certain) | |
| in the bag(expression, adjective, idiom, solid, certain) | |
| incontestable(certain, established, accurate, unquestionable, undeniable) | |
| indubitableness(noun, store, trust, confidence, assurance) | |
| inerrant(certain, unquestionable, undisputable) | |
| inevitability(noun, store, trust, confidence, assurance) | |
| inevitable(adjective, certain, unquestionable, undisputable) | |
| inexhaustible | |
| insured(adjective, set, solid, certain, sure) |
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| APA | Smart Define. (2015). surefire thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/surefire/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "surefire thesaurus" https://smartdefine.org/surefire/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, surefire thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/surefire/thesaurus/synonyms>. |
| MLA | Smart Define. "surefire thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/surefire/thesaurus/synonyms> |