Breadcrumb Home > Thesaurus > C Synonyms of chennai Find synonyms for: Noun1. Chennai, Madrasusage: a city in Tamil Nadu on the Bay of Bengal; formerly MadrasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language