from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Characterized by affected, exaggerated, or insincere earnestness: "the unctuous, complacent court composer who is consumed with envy and self-loathing” ( Rhoda Koenig).
- adj. Having the quality or characteristics of oil or ointment; slippery.
- adj. Containing or composed of oil or fat.
- adj. Abundant in organic materials; soft and rich: unctuous soil.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Oily or greasy.
- adj. Rich, lush, intense, with layers of concentrated, soft, velvety flavor.
- adj. Profusely polite, especially unpleasantly so and insincerely earnest.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of the nature or quality of an unguent or ointment; fatty; oily; greasy.
- adj. Having a smooth, greasy feel, as certain minerals.
- adj. Bland; suave; also, tender; fervid; ; sometimes, insincerely suave or fervid.
from The Century Dictionary and Cyclopedia
- Of the nature of or resembling an unguent or ointment; greasy; oily; fat; soapy.
- oily, or soapy feel when rubbed or touched by the fingers—a characteristic of steatite, talc, serpentine, and other magnesian minerals, due to the magnesia which they contain.
- Having or characterized by unction; tending to religious fervor; especially, falsely or affectedly fervid, devotional, emotional, gushing, or the like; excessively bland or suave.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. unpleasantly and excessively suave or ingratiating in manner or speech
Middle English, from Old French unctueus, from Medieval Latin ūnctuōsus, from Latin ūnctum, ointment, from neuter past participle of unguere, to anoint.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Medieval Latin unctuōsus (“oily”), from Latin unguere, ungere ("to anoint"). (Wiktionary)