What is the meaning of Unctuous?

Having the nature or properties of an unguent or ointment; greasy, oily.

Having fat or oil present; fatty, greasy, oily.

Of an aroma or taste, or a beverage (such as coffee or wine) or food (such as gravy, meat, or sauce): having layers of concentrated, velvety flavour; lush, rich.

Of soil: soft and sticky.

Of a person:

  1. Complacent, self-satisfied, smug.
  2. Profusely polite, especially in an insincere and unpleasant manner.

    Complacent, self-satisfied, smug.

    Profusely polite, especially in an insincere and unpleasant manner.

    Source: wiktionary.org