/ Thesaurus / M Synonyms of midgrass Find synonyms for: Noun1. midgrass, grassusage: any of various grasses of moderate height which covered the undisturbed prairie in the United States; includes most of the forage grasses of the temperate zoneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language