Indeterminacy or underdeterminacy may refer to:
Law Indeterminacy debate in legal theory Underdeterminacy (law)
Linguistics Indeterminacy of translation Referential indeterminacy
Philosophy Indeterminacy (philosophy) Indeterminism, the belief that not all events are causally determined Deterministic system (philosophy) Underdetermination
Physics Quantum indeterminacy Uncertainty principle Scientific determinism
Other Indeterminacy (literature) a literary term Indeterminacy in computation (disambiguation) Indeterminate system Aleatoric music and indeterminacy in music Statically indeterminate Underdetermined system In set theory and game theory, the opposite of determinacy In biology, indeterminate growth of an organism
See also Nondeterminism (disambiguation) Determinism (disambiguation) Indeterminate (disambiguation)