[syn: buttery, fulsome, oily, oleaginous, smarmy, soapy, unctuous]
The Collaborative International Dictionary of English v.0.48:
Soapy \Soap"y\, a. [Compar. Soapier; superl. Soapiest.]
   1. Resembling soap; having the qualities of, or feeling like,
      soap; soft and smooth.
      [1913 Webster]
   2. Smeared with soap; covered with soap.
      [1913 Webster]
WordNet (r) 3.0 (2006):
soapy
    adj 1: resembling or having the qualities of soap; "a soapy
           consistency" [syn: saponaceous, soapy]
    2: 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:
78 Moby Thesaurus words for "soapy":
   adipose, adulatory, barmy, bland, blandishing, blarneying,
   blubbery, buttery, butyraceous, cajoling, chrismal, chrismatory,
   complimentary, courtierly, courtly, disarming, fair-spoken, fat,
   fatty, fawning, fine-spoken, flattering, foam-flecked, foamy,
   frothy, fulsome, glib, greasy, gushing, heady, honey-mouthed,
   honey-tongued, honeyed, ingratiating, insincere, insinuating,
   lardaceous, lardy, lathery, mealymouthed, mucoid, obsequious, oily,
   oily-tongued, oleaginous, oleic, rich, sebaceous, sleek, slick,
   slimy, slippery, slobbery, smarmy, smooth, smooth-spoken,
   smooth-tongued, smug, soapsuddy, soapsudsy, soft-soaping,
   soft-spoken, spumose, spumous, spumy, suave, suave-spoken, suddy,
   sudsy, suety, sycophantic, tallowy, unctuous, unguent, unguentary,
   unguentous, wheedling, yeasty