Breadcrumb Home > Thesaurus > M Synonyms of mississippian Find synonyms for: Noun 1. Mississippian, Missippian period, Lower Carboniferous, Lower Carboniferous period usage: from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects 2. Mississippian, American usage: a native or resident of Mississippi WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mississippian (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: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language