/ Thesaurus / G Synonyms of gum plant Find synonyms for: Noun1. gumweed, gum plant, tarweed, rosinweed, herb, herbaceous plantusage: any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestockWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language