5
smug(adjective, ingratiating)
5
sugary(adjective, soft, sweet, humble, charming)
5
toadying(adjective, mean, submissive, flattering, subservient)
4
bland(adjective, kind, smooth, easy, friendly)
4
butyraceous(adjective, unctuousness)
4
complimentary(adjective, kind, flattering, admiring)
4
deceitful(adjective, false, wicked, immoral, lying)
4
double-dealing(adjective, smooth, false, deceitful, lying)
4
grovelling(adjective, mean, submissive, subservient, sycophantic)
4
honeyed(kind, sweet, polite, flattery, flattering)
4
pretentious
4
saponaceous(adjective, unctuousness, oily)
4
smooth-spoken
4
smooth-tongued(adjective, flattery)
4
unguent(adjective, oily)
4
urbane(adjective, kind, smooth, easy, friendly)
3
Tartuffian
3
abject(adjective, mean, submissive, flattering, subservient)
3
affected
3
artful
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>