oleaginous

Of or relating to oil.

Falsely or smugly earnest; unctuous.

Having the qualities of oil; oily; unctuous.

Figuratively, effusively and affectedly polite or fawning; sanctimonious; oily.

Having the nature or qualities of oil; oily; unctuous.

Oily, greasy.

Falsely or affectedly earnest; persuasively suave.

unpleasantly and excessively suave or ingratiating in manner or speech

containing an unusual amount of grease or oil