[ep-uh-fuh-nom-uh-nl-iz-uh m]
  1. the doctrine that consciousness is merely an epiphenomenon of physiological processes, and that it has no power to affect these processes.

Origin of epiphenomenalism

First recorded in 1895–1900; epi- + phenomenalism
Related formsep·i·phe·nom·e·nal·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for epiphenomenalism

Historical Examples of epiphenomenalism

  • Bergson however has more to assert than merely the inadequacy and falsity of Parallelism or Epiphenomenalism.

British Dictionary definitions for epiphenomenalism


  1. the dualistic doctrine that consciousness is merely a by-product of physiological processes and has no power to affect themCompare interactionism, parallelism
Derived Formsepiphenomenalist, noun, 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