1. 
[syn: buttery, fulsome, oily, oleaginous, smarmy, soapy, unctuous]
WordNet (r) 3.0 (2006):
smarmy
    adj 1: unpleasantly and excessively suave or ingratiating in
           manner or speech; "buttery praise"; "gave him a fulsome
           introduction"; "an oily sycophantic press agent";
           "oleaginous hypocrisy"; "smarmy self-importance"; "the
           unctuous Uriah Heep"; "soapy compliments" [syn:
           buttery, fulsome, oily, oleaginous, smarmy,
           soapy, unctuous]
Moby Thesaurus II by Grady Ward, 1.0:
39 Moby Thesaurus words for "smarmy":
   adulatory, bland, blandishing, blarneying, buttery, cajoling,
   complimentary, courtierly, courtly, fair-spoken, fawning,
   fine-spoken, flattering, fulsome, glassy, glossy, gushing,
   honey-mouthed, honey-tongued, honeyed, insincere, insinuating,
   mealymouthed, obsequious, oily, oily-tongued, oleaginous, polished,
   slick, slimy, slobbery, smooth, smooth-spoken, smooth-tongued,
   soapy, soft-soaping, sycophantic, unctuous, wheedling