62 entries under adjective topic. ×

15
hypocritical(deceitful, pretending)
11
dishonest(false, insincere)
11
insincere(open, false, dishonest, pretended)
8
cunning
8
devious(open, fair, false, insincere)
7
sly
6
tricky(false, insincere)
6
insidious(tricky, sneaky)
3
crafty
3
cute(direct, obvious, frank)
3
deceptive(open, reliable)
3
fulsome
3
phony(fake, false, genuine)
3
scheming
3
untrustworthy(false, insincere)
2
foxy
2
false(open, sound, right, insincere)
2
artful
2
deceitful(open, honest, false, dishonest)
2
dodgy
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APASmart Define. (2016). sincere thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sincere/thesaurus/antonyms
ChicagoSmart Define. 2016. "sincere thesaurus" https://smartdefine.org/sincere/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, sincere thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sincere/thesaurus/antonyms>.
MLASmart Define. "sincere thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/sincere/thesaurus/antonyms>