/ Thesaurus / W Synonyms of water hemlock Find synonyms for: Noun1. water hemlock, Cicuta verosa, poisonous plantusage: tall erect highly poisonous Eurasiatic perennial herb locally abundant in marshy areasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pudgy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language