9
hypocritical
8
deceitful(adjective, adverb, shady, veraciously)
8
shady(adjective, adverb, deceitful, suspicious, disreputable)
7
devious(adjective, adverb, deceitful, shady, veraciously)
7
outrageous
5
lying(verb, adjective, adverb, deceitful, shady)
5
dishonest(adjective, good, open, honest, lying)
5
underhanded(adjective, adverb, good, open, deceitful)
4
shameful
4
tricky(adjective, smooth, simple, sly, deceptive)
3
crooked
3
dishonestly
3
underhand(adjective, deceitful)
2
artful
2
covert(adjective, open, clandestine, underhanded)
2
cute(direct, obvious, frank)
2
deceitfully
2
deceptive(adjective, open, reliable)
2
fishy(adjective, honest, doubtful, suspicious)
2
furtive(adjective, sneaky, secretive)
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APASmart Define. (2015). aboveboard thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/aboveboard/thesaurus/antonyms
ChicagoSmart Define. 2015. "aboveboard thesaurus" https://smartdefine.org/aboveboard/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, aboveboard thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/aboveboard/thesaurus/antonyms>.
MLASmart Define. "aboveboard thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/aboveboard/thesaurus/antonyms>