/ Thesaurus / M Synonyms of moss hart Find synonyms for: Noun1. Hart, Moss Hartusage: United States playwright who collaborated with George S. Kaufman (1904-1961)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abdicate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language