/ Thesaurus / F Synonyms of fusel oil Find synonyms for: Noun1. fusel oil, oilusage: a mixture of amyl alcohols and propanol and butanol formed from distillation of fermented liquorsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language