Synonyms:
buttery, fulsome, oily, oleaginous, smarmy, soapy, unctuous
Meaning: 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"
Usage examples
Instead of dismissing his fulsome nonsense with a contemptuous smile, Lady Georgina perked herself up with a conscious air of coquetry, and asked for more.