5
naturally
4
sincerely(adverb, false, lie, manner)
2
frankly
2
flagrantly
2
guilelessly
2
unabashedly
1
fearlessly
1
stridently
1
unashamedly
1
unconcealedly
1
unfeignedly
1
unpretentiously
1
unsatisfactorily
1
unsophisticatedly
1
familiarly
0
boldly
0
deliberately
0
brashly
0
clumsily
0
artlessly
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APASmart Define. (2015). slyly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/slyly/thesaurus/antonyms
ChicagoSmart Define. 2015. "slyly thesaurus" https://smartdefine.org/slyly/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, slyly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/slyly/thesaurus/antonyms>.
MLASmart Define. "slyly thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/slyly/thesaurus/antonyms>