Breadcrumb Home > Thesaurus Cite Synonyms of elymus Find synonyms for: Noun1. Elymus, genus Elymus, monocot genus, liliopsid genususage: tall tufted perennial grasses (such as lyme grass or wild rye)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: erpsichore Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index