/ Thesaurus / I Synonyms of indo iranian Find synonyms for: Noun1. Indo-Iranian, Indo-Iranian language, Indo-European, Indo-European language, Indo-Hittiteusage: the branch of the Indo-European family of languages including the Indic and Iranian language groupsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language