Breadcrumb Home > Thesaurus > B Synonyms of bighorn Find synonyms for: Noun 1. Bighorn, Bighorn River usage: a river that flows from central Wyoming to the Yellowstone River in southern Montana 2. bighorn, bighorn sheep, cimarron, Rocky Mountain bighorn, Rocky Mountain sheep, Ovis canadensis, mountain sheep usage: wild sheep of mountainous regions of western North America having massive curled horns WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of bighorn (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: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language