from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Hypocritically, complacently, or effusively earnest; unctuous. See Synonyms at unctuous.
- adj. Sleek.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Falsely earnest, smug, or ingratiating.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. unpleasantly and excessively suave or ingratiating in manner or speech
From smarm, to smear.(American Heritage® Dictionary of the English Language, Fourth Edition)
From smarm, a variant of smalm/smawm. (Wiktionary)