- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
38 entries under dependable topic. ×
| satisfactory(adjective, unerring) | |
| satisfying(adjective, unerring) | |
| sure-fire(adjective, informal, certain, flawless) | |
| efficacious(adjective, unerring) | |
| handy(adjective, unerring) | |
| helpful(adjective, unerring) | |
| incontrovertible(adjective, clear, certain, valid) | |
| surefire(adjective, certain, reliable, trustworthy) | |
| true(adjective, unerring) | |
| unquestionable(adjective, certain, undisputable, unerring) | |
| useful(adjective, unerring) | |
| omniscient(adjective, unerring) | |
| unbeatable(adjective, unerring) | |
| undeceivable(adjective, unerring) | |
| apodictic(adjective, unerring) | |
| authoritative(adjective, unerring) | |
| effectual(adjective, unerring) | |
| unimpeachable(adjective, perfect, precise, flawless, faultless) |
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| APA | Smart Define. (2015). infallible thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/infallible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "infallible thesaurus" https://smartdefine.org/infallible/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, infallible thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/infallible/thesaurus/synonyms>. |
| MLA | Smart Define. "infallible thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/infallible/thesaurus/synonyms> |