- having the nature or qualities of oil.
- containing oil.
- producing oil.
- unctuous; fawning; smarmy.
- resembling or having the properties of oil
- containing or producing oil
adj.1630s, from French oléagineux (14c.), from Latin oleaginus “of the olive,” from olea “olive,” alteration of oliva (see olive) by influence of oleum “oil.” adj.
- Oily; greasy.