adjective
- of, like, or characteristic of an ointment or unguent; oily or greasy
- made up of or containing fat or oil
- like oil, soap, or grease to the touch: said of certain minerals
- soft and rich: said of soil
- plastic; moldable
- 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
Origin:
ME < ML unctuosus, greasy < L unctum, ointment < ungere, to anoint: see unguent