uncertain Pronunciation: /ˈʌnˈsɜːrtṇ; ʌnˈsɜːtṇ/Translate uncertain | into French | into German | into Italian Spanish translation of uncertainadj 1 a (unsure) (pred) to be uncertain ABOUT/OF sth = no estar* seguro de algo b (hesitant) vacilante 2 [prospects/future] incierto 3 (vague) in no uncertain terms = muy claramente, inequívocamenteuncertain in other Oxford dictionaries Definition of uncertain in the British & World English dictionary Definition of uncertain in the US English dictionary