OILY

adj. 1 greasy, oleaginous, fat, fatty, adipose, pinguid, sebaceous, soapy, saponaceous, buttery, butyraceous, lardaceous; slippery, slimy, slithery, smooth, unctuous The cars slid about as the tyres failed to grip the oily surface 2 glib, smooth, unctuous, servile, obsequious, sycophantic, ingratiating, flattering, hypocritical; suave, urbane, sophisticated, Colloq smarmy Sarah found Curtis's approach sickeningly oily