5
deceitfully(adverb, dishonestly)
5
falsely
5
hypocritically(adverb, dishonestly)
4
deviously(adverb, dishonestly)
4
dishonestly(adverb, dishonestly)
3
affectedly
3
artificially
3
fraudulently(adverb, dishonestly)
3
hollowly
2
bogusly
2
craftily(adverb, dishonestly)
2
deceptively
2
disingenuously
2
immorally(adverb, dishonestly)
2
indirectly
2
shamly
2
underhandedly(adverb, dishonestly)
2
untruthfully
1
corruptly(adverb, dishonestly)
1
crookedly(adverb, dishonestly)
13 years ago|2.1k views|share |citing 
APASmart Define. (2013). insincerely thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/insincerely/thesaurus/synonyms
ChicagoSmart Define. 2013. "insincerely thesaurus" https://smartdefine.org/insincerely/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, insincerely thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/insincerely/thesaurus/synonyms>.
MLASmart Define. "insincerely thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/insincerely/thesaurus/synonyms>