/ Thesaurus / G Synonyms of giant red paintbrush Find synonyms for: Noun1. giant red paintbrush, Castilleja miniata, Indian paintbrush, painted cupusage: wildflower of western North America having ragged clusters of crimson or scarlet flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language