Breadcrumb Home > Thesaurus > A Synonyms of antebellum Find synonyms for: Adjective1. antebellum, nonmodern (vs. modern)usage: belonging to a period before a war especially the American Civil WarWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of antebellum (Dictionary) ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language