from
The Collaborative International Dictionary of English v.0.48
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." --Longfellow.
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2. Having a smooth, greasy feel, as certain minerals.
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3. Bland; suave; also, tender; fervid; as, an unctuous
speech; sometimes, insincerely suave or fervid.
[1913 Webster] -- {Unc"tu*ous*ly}, adv. --
{Unc"tu*ous*ness}, n.
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