Breadcrumb Home > Thesaurus > E Synonyms of erin Find synonyms for: Noun 1. Erin usage: an early name of Ireland that is now used in poetry WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of erin (Dictionary) ✖ Related Content Daily Word Quiz: umbrage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language