Synonyms|300Antonyms|107|Broader|6Narrower|1Related|829
1
note-perfect(perfect, precise, flawless, faultless, exquisite)
1
on target(expression, perfect, precise, flawless, faultless)
1
peerless
1
pinpoint
1
predestined
1
predictable
1
principled
1
pure
1
real(clear, complete, certain, sure, valid)
1
refined
1
religious
1
religiously exact
1
responsible
1
rigid
1
rigorous
1
scientific
1
scientifically exact
1
set(clear, certain, valid, unquestionable, undisputable)
1
severe
1
sinless
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ChicagoSmart Define. 2015. "infallible thesaurus" https://smartdefine.org/infallible/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, infallible thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/infallible/thesaurus/synonyms>.
MLASmart Define. "infallible thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/infallible/thesaurus/synonyms>