255 entries under adjective topic. ×

5
delusive(fake, false, counterfeit, dishonest)
5
dissimulating(dishonest, deceitful, hypocritical, untruthful)
5
forced(affected, strained, unnatural, put-on)
5
foxy
5
fulsome
5
la-di-da(affected, pretentious, exaggerated, upper-class)
5
pharisaical
5
simulated(fake, counterfeit, sham, refined)
5
slippery(smooth, false, deceitful, lying)
5
smooth(offensive, coarse, excessive, flattering)
5
specious(smooth, fake, false, counterfeit)
5
traitorous(false, dishonest, deceitful, lying)
5
tricky(false, dishonest, cunning, deceitful)
4
Pecksniffian
4
contrived(fake, unusual, counterfeit, sham)
4
designing(false, dishonest, cunning, deceitful)
4
double-faced(dishonest, deceitful, duplicitous)
4
goody-goody
4
holier-than-thou
4
imitation(fake, unusual, strange, counterfeit)
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APASmart Define. (2016). insincere thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/insincere/thesaurus/synonyms
ChicagoSmart Define. 2016. "insincere thesaurus" https://smartdefine.org/insincere/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, insincere thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/insincere/thesaurus/synonyms>.
MLASmart Define. "insincere thesaurus" 14 March 2016. Web. 30 September 2026. <https://smartdefine.org/insincere/thesaurus/synonyms>