/ Thesaurus / F Synonyms of false oat Find synonyms for: Noun1. tall oat grass, tall meadow grass, evergreen grass, false oat, French rye, Arrhenatherum elatius, grassusage: coarse perennial Eurasian grass resembling oat; found on roadside verges and rough grassland and in hay meadows; introduced in North America for forageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language