un·cer·tain·ty 
/ˌʌnˈsɚtn̩ti/ noun
plural un·cer·tain·ties /ˌʌnˈsɚtn̩ti/ noun 1 [noncount] : the quality or state of being uncertain : doubt
▪ There is some uncertainty about the company's future. ▪ He accepted the position without hesitation or uncertainty. 2 [count] : something that is doubtful or unknown : something that is uncertain — usually plural ▪ Life is full of uncertainties.
▪ There is some uncertainty about the company's future. ▪ He accepted the position without hesitation or uncertainty.
