"resembling oil, having the qualities of oil," late 14c., oilei, from oil (n.) + -y (2). Figurative meaning "smooth, unctuous" is from 1590s. Related: Oilily; oiliness.
oily fried potatoes
an oily sycophantic press agent
oily puddles in the streets
get rid of rubbish and oily rags
oiler
oil-mill
oil-skin
oil-tank
oil-well
oily
oink
*oi-no-
ointment
OJ
Ojibwa
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