/ Thesaurus / B Synonyms of barnyard grass Find synonyms for: Noun1. barnyard grass, barn grass, barn millet, Echinochloa crusgalli, milletusage: a coarse annual panic grass; a cosmopolitan weed; occasionally used for hay or grazingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language