1
carefully
1
chastely(adverb, purely)
1
closely
1
creditably(adverb, virtuously)
1
decently(adverb, virtuously)
1
definitely
1
elementarily(adverb, purely)
1
entirely
1
essentially(adverb, purely)
1
ethically(adverb, virtuously)
1
explicitly(adverb, just, absolutely, completely, quite)
1
expressly
1
faithfully
1
for a fact(expression, idiom, adverb, just, absolutely)
1
for certain(expression, adverb, just, absolutely, completely)
1
for sure
1
formatively(adverb, purely)
1
fully
1
fundamentally(adverb, purely)
1
heroically(adverb, virtuously)
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APASmart Define. (2015). faultlessly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/faultlessly/thesaurus/synonyms
ChicagoSmart Define. 2015. "faultlessly thesaurus" https://smartdefine.org/faultlessly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, faultlessly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/faultlessly/thesaurus/synonyms>.
MLASmart Define. "faultlessly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/faultlessly/thesaurus/synonyms>