Etymology: Unctuous is from Medieval Latin unctuosus, from Latin unctus, "anointed, besmeared, greasy," past participle of unguere, "to anoint, to besmear."
1. Of the nature or quality of an unguent or ointment; fatty; oily; greasy.
2. Having a smooth, greasy feel, as certain minerals.
3. Insincerely or excessively suave or ingratiating in manner or speech; marked by a false or smug earnestness or agreeableness.
"He approached Sean wearing a smile so unctuous it seemed about to slide right off his face."
— Naeem Murr, The Boy
Thanks to Constant Comment for today's WOTD entry
Thursday, September 4, 2008