uncertainty meaning and definition

UNCERTAINTY noun

Definition of uncertainty (noun)

1. being unsettled or in doubt or dependent on chance
   • "the uncertainty of the outcome"; "the precariousness of his income"
   • synonyms: precariousness, uncertainness
   • antonym: certainty
2. the state of being unsure of something
   • synonyms: doubt, doubtfulness, dubiety, dubiousness, incertitude
   • antonym: certainty