/ Thesaurus / I Synonyms of indigirka river Find synonyms for: Noun1. Indigirka, Indigirka Riverusage: a river in far eastern Siberia that flows generally northward to the Arctic OceanWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language