Breadcrumb Home > Thesaurus > U Synonyms of uncertainty Find synonyms for: Noun 1. uncertainty, uncertainness, precariousness, quality usage: being unsettled or in doubt or dependent on chance; "the uncertainty of the outcome"; "the precariousness of his income" 2. doubt, uncertainty, incertitude, dubiety, doubtfulness, dubiousness, cognitive state, state of mind usage: the state of being unsure of something WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of uncertainty (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: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language