[in-di-tur-muh-niz-uh m]
noun Philosophy.
  1. the doctrine that human actions, though influenced somewhat by preexisting psychological and other conditions, are not entirely governed by them but retain a certain freedom and spontaneity.
  2. the theory that the will is to some extent independent of the strength of motives, or may itself modify their strength in choice.

Origin of indeterminism

First recorded in 1870–75; in-3 + determinism
Related formsin·de·ter·min·ist, noun, adjectivein·de·ter·min·is·tic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for indeterministic


  1. the philosophical doctrine that behaviour is not entirely determined by motives
Derived Formsindeterminist, noun, adjectiveindeterministic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012