Uncertainty - Definition
uncertainty
n 1: being unsettled or in doubt or dependent on chance; "the
uncertainty of the outcome"; "the precariousness of his
income" [syn: uncertainty, uncertainness,
precariousness] [ant: certainty, foregone conclusion,
sure thing]
2: the state of being unsure of something [syn: doubt,
uncertainty, incertitude, dubiety, doubtfulness,
dubiousness] [ant: certainty]