/ Thesaurus / H Synonyms of helenium autumnale Find synonyms for: Noun1. autumn sneezeweed, Helenium autumnale, sneezeweedusage: North American perennial with bright yellow late summer flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language