Definition of Unctuous

Babylon English Dictionary
smooth, slippery; overly pious, overly flattering
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Unctuous Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(a.)
Of the nature or quality of an unguent or ointment; fatty; oily; greasy.
  
(a.)
Having a smooth, greasy feel, as certain minerals.
  
(a.)
Bland; suave; also, tender; fervid; as, an unctuous speech; sometimes, insincerely suave or fervid.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

unctuous
\unc"tu*ous\ (?; 135), a. [f. onctueux, ll. unctuosus, fr. l. unctus anointment, fr. ungere, unctum, to anoint. see unguent.]
1. of the nature or quality of an unguent or ointment; fatty; oily; greasy. "the unctuous cheese."
2. having a smooth, greasy feel, as certain minerals.
3. bland; suave; also, tender; fervid; as, an unctuous speech; sometimes, insincerely suave or fervid. -- unc"tu*ous*ly , adv. -- unc"tu*ous*ness , n.
unctuous
adj : unpleasantly and excessively suave or ingratiating in manner or speech; "buttery praise"; "gave him a fulsome introduction"; "an oily sycophantic press agent"; "oleaginous hypocrisy"; "smarmy self-importance"; "the unctuous uriah heep" [syn: buttery, fulsome, oily, oleaginous, smarmy]




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for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
Oily.
WordNet 2.0

Adjective
1. unpleasantly and excessively suave or ingratiating in manner or speech; "buttery praise"; "gave him a fulsome introduction"; "an oily sycophantic press agent"; "oleaginous hypocrisy"; "smarmy self-importance"; "the unctuous Uriah Heep"
(synonym) buttery, fulsome, oily, oleaginous, smarmy
(similar) insincere