/ Thesaurus / O Synonyms of orange hawkweed Find synonyms for: Noun1. orange hawkweed, Pilosella aurantiaca, Hieracium aurantiacum, weedusage: European hawkweed having flower heads with bright orange-red rays; a troublesome weed especially as naturalized in northeastern North America; sometimes placed in genus HieraciumWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language