Breadcrumb Home > Thesaurus > Q Synonyms of quackgrass Find synonyms for: Noun 1. dog grass, couch grass, quackgrass, quack grass, quick grass, witch grass, witchgrass, Agropyron repens, wheatgrass, wheat-grass usage: European grass spreading rapidly by creeping rhizomes; naturalized in North America as a weed WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of quackgrass (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: demagogue Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language