Open English Wordnet
Adjectives
(s)buttery, fulsome, oily, oleaginous, smarmy, soapy, unctuousunpleasantly 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”