/ Thesaurus / B Synonyms of brattish Find synonyms for: Adjective1. bratty, brattish, impolite (vs. polite)usage: (used of an ill-mannered child) impolitely unrulyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language