/ Thesaurus / Z Synonyms of zanthoxylum Find synonyms for: Noun1. Zanthoxylum, genus Zanthoxylum, rosid dicot genususage: deciduous or evergreen trees or shrubs: prickly ashWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language