0
inexorably(adverb, perfectly, always, reliably, dependably)
0
inimitably
0
innoxiously
0
inviolately
0
irrefutably(adverb, perfectly, always, reliably, dependably)
0
irrevocably
0
just so
0
letter for letter
0
line for line
0
literal
0
literatim
0
lock
0
logically
0
manifestly(adverb, perfectly, always, reliably, dependably)
0
marvellously
0
metallically
0
nothing else but(expression, idiom, adverb, perfectly, always)
0
off pat
0
opportunely(adverb, exactly, perfectly, plumb, flawlessly)
0
passage
11 years ago|3k views|share |citing 
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>