Breadcrumb Home > Thesaurus > M Synonyms of mississippi Find synonyms for: Noun 1. Mississippi, Mississippi River usage: a major North American river and the chief river of the United States; rises in northern Minnesota and flows southward into the Gulf of Mexico 2. Mississippi, Magnolia State, MS usage: a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mississippi (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: triumphalism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language