un·cer·tain ( n-sûr tn)adj.1. Not known or established; questionable: domestic changes of great if uncertain consequences. 2. Not determined; undecided: uncertain plans. 3. Not having sure knowledge: an uncertain recollection of the sequence of events. 4. a. Subject to change; variable: uncertain weather. b. Unsteady; fitful: uncertain light.
un·cer tain·ly adv. un·cer tain·ness n. |
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| Noun | 1. | uncertainness - being unsettled or in doubt or dependent on chance; "the uncertainty of the outcome"; "the precariousness of his income"quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare doubt, doubtfulness, dubiousness, question - uncertainty about the truth or factuality or existence of something; "the dubiousness of his claim"; "there is no question about the validity of the enterprise" improbability, improbableness - the quality of being improbable; "impossibility should never be confused with improbability"; "the improbability of such rare coincidences" fortuitousness - the quality of happening accidentally and by lucky chance speculativeness - the quality of being a conclusion or opinion based on supposition and conjecture rather than on fact or investigation; "her work is highly contentious because of its speculativeness and lack of supporting evidence" |