probabilistic Syllabification: (prob·a·bi·lis·tic)Pronunciation: /ˌpräbəbəˈlistik/Definition of probabilistic adjective based on or adapted to a theory of probability; subject to or involving chance variation:the main approaches are either rule-based or probabilisticDerivatives probabilismPronunciation: /ˈpräbəbəˌlizəm/ noun probabilistic in other Oxford dictionaries Definition of probabilistic in the British & World English dictionary