Oily \Oil"y\, a. [Compar. {Oilier}; superl. {Oiliest}.]
1. Consisting of oil; containing oil; having the nature or
qualities of oil; unctuous; oleaginous; as, oily matter or
substance. --Bacon.

2. Covered with oil; greasy; hence, resembling oil; as, an
oily appearance.

3. Smoothly subservient; supple; compliant; plausible;
insinuating. ``This oily rascal.'' --Shak.

His oily compliance in all alterations. --Fuller.

{Oily grain} (Bot.), the sesame.

{Oily palm}, the oil palm.