/ Thesaurus / W Synonyms of wormseed mustard Find synonyms for: Noun1. wormseed mustard, Erysimum cheiranthoides, weedusage: slender yellow-flowered European mustard often troublesome as a weed; formerly used as an anthelminticWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tranquil Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language