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uncertainty

 
Noun uncertainty has 2 senses
  1. uncertainty, uncertainness - being unsettled or in doubt; "the uncertainty of the outcome"
    --1 is a kind of quality
    Antonyms: certainty, sure thing, foregone conclusion
    --1 has particulars:
     doubt, dubiousness, doubtfulness, question; indefiniteness, indeterminateness, indefinity, indetermination, indeterminacy; unpredictability; improbability, improbableness; fortuitousness
  2. doubt, uncertainty, incertitude, dubiety, doubtfulness, dubiousness - the state of being unsure of something
    --2 is a kind of cognitive state, state of mind
    Antonyms: certainty
    --2 has particulars:
     mental reservation, reservation, arriere pensee; misgiving, mistrust, distrust, suspicion; incredulity, disbelief, skepticism, mental rejection; indecision, indecisiveness, irresolution; suspense
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