Breadcrumb Home > Thesaurus > W Synonyms of wood vinegar Find synonyms for: Noun1. pyroligneous acid, wood vinegar, liquidusage: a red-brown liquid formed in distillation of wood which contains acetic acid, methanol, acetone, wood oils, and tarsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language