Unctuous Adjective (ˈəŋ(k)-chə-wəs)
1. a) of, like, or characteristic of an ointment or unguent; oily
or greasy b) made up of or containing fat and oil
2. like oil, soap, or grease to the touch; said of certain minerals
3. soft and rich; said of soil
4. plastic, moldable
5. characterized by a smug, smooth pretense of spiritual feeling,
fervor, or earnestness, as in seeking to persuade; too suave
or oily in speech or manner.
unctuousity or unctuousness n.