2
unctuousness
2
underhanded(adjective, false, deceitful, lying, untruthful)
2
untruthful(adjective, false, deceitful, lying, fraudulent)
2
voluble
1
affable(adjective, kind, smooth, easy, friendly)
1
agreeable(adjective, smooth, polite, charming, polished)
1
ambiguous
1
amiable(adjective, kind, easy, friendly, mild)
1
apple-polishing
1
approbative(kind, polite, flattering, respectful, admiring)
1
approbatory(kind, polite, flattering, respectful, admiring)
1
approving(kind, polite, flattering, respectful, admiring)
1
arse-kissing
1
arse-licking
1
ass-kissing
1
backhanded
1
beggarly(mean, submissive, flattering, subservient, sycophantic)
1
blandishing
1
blarneying
1
calculating
11 years ago|14k views|share |citing 
APASmart Define. (2015). unctuous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unctuous/thesaurus/synonyms
ChicagoSmart Define. 2015. "unctuous thesaurus" https://smartdefine.org/unctuous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unctuous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unctuous/thesaurus/synonyms>.
MLASmart Define. "unctuous thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unctuous/thesaurus/synonyms>