/ Thesaurus / G Synonyms of grand marnier Find synonyms for: Noun1. Grand Marnier, orange liqueurusage: an orange-flavored French liqueurWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: boisterous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language