Infallible Thesaurus / Synonyms / page 4

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- Abbreviations|0

Synonyms|300 Antonyms|107|Broader|6 Narrower|1 Related|829

76 entries under adjective topic. ×

1	sound
1	unassailable(certain, flawless)
1	undisputable(certain, unquestionable)
1	undoubted
1	unimpeachable(perfect, precise, flawless, faultless)
0	cocksure
0	conscientious
0	fail-safe
0	honourable
0	idiot-proof
0	inarguable
0	punctilious
0	reputable
0	tested
0	trusted
0	warranted

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APA	Smart Define. (2015). infallible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/infallible/thesaurus/synonyms
Chicago	Smart Define. 2015. "infallible thesaurus" https://smartdefine.org/infallible/thesaurus/synonyms (accessed September 27, 2026).
Harvard	Smart Define 2015, infallible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/infallible/thesaurus/synonyms>.
MLA	Smart Define. "infallible thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/infallible/thesaurus/synonyms>

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adjectivecertain clear dependable exquisite faultless flawless inevitable noun perfect precise reliable sure trustworthy undisputable undoubtable unerring unquestionable valid verb