Breadcrumb Home > Thesaurus > E Synonyms of euphrates Find synonyms for: Noun 1. Euphrates, Euphrates River usage: a river in southwestern Asia; flows into the Persian Gulf; was important in the development of several great civilizations in ancient Mesopotamia WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of euphrates (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: oungurk Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language