| Word | Definitions | Synonyms |
|---|---|---|
| oleaceous | (adjective) of or pertaining to or characteristic of trees or shrubs of the olive family | - |
| oleaginous | (adjective) containing an unusual amount of grease or oil | Synonyms: greasy, oily, sebaceous |
| (adjective) unpleasantly and excessively suave or ingratiating in manner or speech | Synonyms: buttery, fulsome, oily, smarmy, soapy, unctuous | |
| oleophilic | (adjective) having a strong affinity for oils rather than water | - |
| oleophobic | (adjective) lacking affinity for oils | - |