UNCERTAINTY Meaning of UNCERTAINTY in English uncertain|ty BrE AmE ʌn ˈsɜːt ə n |ti -ɪn- AmE \ -ˈsɝːt-▷ uncertain|ties tiz▶ un ˈ certainty ˌ principle BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012