Breadcrumb Home > Thesaurus > O Synonyms of otoe Find synonyms for: Noun 1. Oto, Otoe, Sioux, Siouan usage: a member of the Siouan people inhabiting the valleys of the Platte and Missouri rivers in Nebraska 2. Oto, Otoe, Chiwere usage: a dialect of the Chiwere language spoken by the Oto WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of otoe (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: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language