Breadcrumb Home > Thesaurus > O Synonyms of ouachita Find synonyms for: Noun 1. Ouachita, Ouachita River usage: a river that rises in western Arkansas and flows southeast into eastern Louisiana to become a tributary of the Red River WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ouachita (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: procellous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language