1
completely
1
dead
1
directly
1
faultlessly(adverb, just, absolutely, completely, quite)
1
fixedly(adverb, absolutely, certainly, clearly, definitely)
1
for a fact(expression, idiom, adverb, just, absolutely)
1
for real(expression, adverb, absolutely, certainly, clearly)
1
for sure
1
in all respects(expression, idiom)
1
in every respect(expression, idiom, adverb, just, absolutely)
1
indisputably(adverb, really, completely, exactly, directly)
1
inerrably
1
inexorably(adverb, absolutely, certainly, clearly, definitely)
1
irrefutably(adverb, absolutely, certainly, clearly, definitely)
1
manifestly(adverb, absolutely, certainly, clearly, definitely)
1
methodically(adverb, just, absolutely, completely, quite)
1
no mistake(expression, adverb, just, absolutely, completely)
1
nothing else but(expression, idiom, adverb, absolutely, certainly)
1
on the dot(expression, idiom, adverb, just, absolutely)
1
on the money(expression, idiom, adverb, just, absolutely)
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APASmart Define. (2015). unerringly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unerringly/thesaurus/synonyms
ChicagoSmart Define. 2015. "unerringly thesaurus" https://smartdefine.org/unerringly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unerringly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unerringly/thesaurus/synonyms>.
MLASmart Define. "unerringly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/unerringly/thesaurus/synonyms>