/ Thesaurus / B Synonyms of balto slavic Find synonyms for: Noun1. Balto-Slavic, Balto-Slavic language, Balto-Slavonic, Indo-European, Indo-European language, Indo-Hittiteusage: a family of Indo-European languages including the Slavic and Baltic languagesWordNet 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