/ Thesaurus / B Synonyms of brook thistle Find synonyms for: Noun1. brook thistle, Cirsium rivulare, plume thistle, plumed thistleusage: of central and southwestern EuropeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language