uncertainty

Meanings

1. 1
   noun

   being unsettled or in doubt or dependent on chance

   the uncertainty of the outcome

2. 2
   noun

   Doubt; the condition of being uncertain or without conviction.

   “Well,” I answered, at first with uncertainty, then with inspiration, “he would do splendidly to lead your cotillon, if you think of having one.” ¶ “So you do not dance, Mr. Crocker?” ¶ I was somewhat set back by her perspicuity.

3. 3
   noun

   Something uncertain or ambiguous.

   Despite these uncertainties, Clarke told MPs he was convinced of the need to order trains powered by batteries. He said: "We're calling for a 'no regrets' order of battery trains because we see them always having a future. We see them being fundable, financeable, similar cost to diesel trains, and we know that however much electrification we would aspire to do, there's always going to be at least a third of the network that isn't electrified.

4. 4
   noun

   the state of being unsure of something

5. 5
   noun

   A parameter that measures the dispersion of a range of measured values.

Etymology

From Middle English uncerteynte; equivalent to un- + certainty or uncertain + -ty.