/ Thesaurus / S Synonyms of sassafras oil Find synonyms for: Noun1. sassafras oil, oilusage: oil from root bark of sassafras trees; used in perfumery and as a disinfectantWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language