[ oi-lee ]
/ ˈɔɪ li /

adjective, oil·i·er, oil·i·est.

smeared or covered with oil; greasy: an oily road surface.
of the nature of, consisting of, or resembling oil.
of or relating to oil.
full of or containing oil.
smooth or unctuous, as in manner or speech: an oily hypocrite.


in an oily manner.

Origin of oily

First recorded in 1520–30; oil + -y1


5 fawning, smarmy, bootlicking.

Related forms

oil·i·ness, nounnon·oil·y, adjectiveun·oil·y, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for oily

British Dictionary definitions for oily


/ (ˈɔɪlɪ) /

adjective oilier or oiliest

soaked in or smeared with oil or grease
consisting of, containing, or resembling oil
flatteringly servile or obsequious

Derived Forms

oilily, adverboiliness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012