Unctuous
Unctuous (?; 135) , adjective
[French onctueux, Late Latin unctuosus, from Latin unctus anointment, from 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.