28 entries under slippery topic. ×

31
oily(adjective, smooth, friendly, honest, attitude)
27
smarmy(adjective, soft, honest, attitude, humble)
20
smooth(adjective, false, polite, deceitful, charming)
16
buttery(adjective, excessive, greasy, oily)
16
oleaginous(adjective, honest, attitude, fat, slick)
15
obsequious(adjective, mean, submissive, subservient)
15
slick(adjective, smooth, smart, energetic, charming)
13
greasy(adjective, smooth, rich, fat, polished)
12
fatty(adjective, full, fat, slick)
11
adipose(verb, adjective, fat, slick)
11
suave(adjective, kind, smooth, easy, friendly)
9
flattering(adjective, kind, polite, excessive, flattery)
9
ingratiating(adjective, smooth, soft, friendly, polite)
9
servile(adjective, submissive, flattering, subservient)
7
glib(adjective, smooth, smart, false, polite)
4
bland(adjective, kind, smooth, easy, friendly)
3
insinuating(sycophantic, obsequious, greasy, fatty)
0
backbiting(adjective, false, deceitful, lying, unfair)
0
bluffing(adjective, false, deceitful, lying, unfair)
0
disreputable(adjective, false, deceitful, lying, unfair)
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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>