uncertainty
n. C / Un. a situation where you are not sure what will happen or what the truth is. It often feels like a lack of clarity about the future.
n. a state of limited knowledge where it is impossible to exactly describe the existing state, a future outcome, or more than one possible result. Often used in scientific contexts to refer to the estimated range of error in a measurement.
There is a lot of uncertainty about the new job.
The sudden change in leadership created a period of deep uncertainty for the company's investors.
Economists warned that prolonged political uncertainty could discourage foreign investment and lead to a stagnation of the national growth rate over the next fiscal year.
From Middle English uncerteynte; equivalent to un- + certainty or uncertain + -ty.
Uncountable when referring to the general state of being unsure; countable when referring to specific doubts or unknown factors.