4
untruthfully
3
mendaciously
1
corruptly
1
deceitfully
1
deceptively
1
dishonestly
1
disingenuously
1
doubtfully
1
dubiously
1
falsely
1
fictionally
1
improbably
1
inaccurately
1
incorrectly
1
insincerely
1
misleadingly
1
obliquely
1
presumably
0
allegedly
0
ambiguously
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APASmart Define. (2016). truthfully thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/truthfully/thesaurus/antonyms
ChicagoSmart Define. 2016. "truthfully thesaurus" https://smartdefine.org/truthfully/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, truthfully thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/truthfully/thesaurus/antonyms>.
MLASmart Define. "truthfully thesaurus" 3 March 2016. Web. 20 September 2026. <https://smartdefine.org/truthfully/thesaurus/antonyms>