- 1containing or covered with oil oily fish an oily rag
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- 2feeling, tasting, smelling, or looking like oil an oily substance
- 3(disapproving) (of a person or their behavior) trying to be too polite, in a way that is annoying synonym obsequious an oily smile
noun [uncountable]See oily in the Oxford Advanced Learner's Dictionary
Check pronunciation: oily