Definition of "nondeterminism"

(philosophy) The opposite of determinism: the doctrine that there are factors other than the state and immutable laws of the universe involved in the unfolding of events, such as free will.  examples

(computing) Dependence on factors other than initial state and input.  examples

(computer science) The property of being nondeterministic, involving arbitrary choices; necessitating the choice between various indistinguishable possibilities.  examples