Unctuous
Pronunciation : Unc"tu*ous
Part of Speech : a.
Etymology : [F. onctueux, LL. unctuosus, fr. L. unctus anointment, fr. ungere, unctum, to anoint. See Unguent.]
Definition : 1. Of the nature or quality of an unguent or ointment; fatty; oily; greasy. "The unctuous cheese." Longfellow.
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.
Source : Webster's Unabridged Dictionary, 1913