/ Thesaurus / L Synonyms of legal brief Find synonyms for: Noun1. brief, legal brief, legal document, legal instrument, official document, instrumentusage: a document stating the facts and points of law of a client's caseWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language