/ Thesaurus / I Synonyms of ijssel river Find synonyms for: Noun1. IJssel, IJssel riverusage: a river in the central Netherlands flowing north to the IJsselmeerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language