Not deterministic; containing randomness(adjective)
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Use "indeterministic" in a sentence
"What's indeterministic is not the wavefunction itself, but rather the outcomes of measurements, in other words, 'collapses' of the wavefunction."
"In other words, non-trivial propensities (those that differ from 0 and 1) only exist for genuinely indeterministic experiments."
"Virtually everything is, at the lowest level, indeterministic, but that doesn't make it impossible for us to achieve our desired outcomes, so it should definitely not be a problem for an omnipotent deity."