9
unfaithfully(adverb, honestly)
5
unreliably
3
undependably
1
approximately
0
corruptly
0
deceitfully
0
deceptively
0
erroneously
0
faithlessly
0
about
0
adulterously
0
allegedly
0
allegorically
0
amorally
0
around
0
artfully
0
askance
0
blasphemously
0
burdened
0
carelessly
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APASmart Define. (2015). faithfully thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/faithfully/thesaurus/antonyms
ChicagoSmart Define. 2015. "faithfully thesaurus" https://smartdefine.org/faithfully/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, faithfully thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/faithfully/thesaurus/antonyms>.
MLASmart Define. "faithfully thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/faithfully/thesaurus/antonyms>