/ Thesaurus / O Synonyms of oleo oil Find synonyms for: Noun1. oleo oil, animal oilusage: obtained from beef fat; used in making margarine and soap and in lubricationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language