indeterminismPronunciation: /ɪndɪˈtəːmɪnɪz(ə)m/Definition of indeterminism noun [mass noun] 1 Philosophy the doctrine that not all events are wholly determined by antecedent causes. 2the state of being uncertain or undecided. Derivatives indeterminist noun indeterministicPronunciation: /-ˈnɪstɪk/ adjective indeterminism in other Oxford dictionaries Definition of indeterminism in the US English dictionary