Synonyms|89Antonyms|12|Broader|0Narrower|1Related|71
1
completely
1
correctly
1
dependably
1
entirely
1
explicitly(adverb, absolutely, certainly, clearly, definitely)
1
for certain(expression, adverb, absolutely, certainly, clearly)
1
for real(expression, adverb, absolutely, certainly, clearly)
1
fully
1
ideally
1
immaculately
1
indeed(adverb, absolutely, certainly, clearly, definitely)
1
inerrably
1
inerrantly
1
inevitably
1
inexorably(adverb, absolutely, certainly, clearly, definitely)
1
infallible
1
just right
1
manifestly(adverb, absolutely, certainly, clearly, definitely)
1
nothing else but(expression, idiom, adverb, absolutely, certainly)
1
positively
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APASmart Define. (2015). infallibly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/infallibly/thesaurus/synonyms
ChicagoSmart Define. 2015. "infallibly thesaurus" https://smartdefine.org/infallibly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, infallibly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/infallibly/thesaurus/synonyms>.
MLASmart Define. "infallibly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/infallibly/thesaurus/synonyms>