• synonyms


[dee-ree-uh-luh-zey-shuh n]
See more synonyms on Thesaurus.com
noun Psychiatry.
  1. an alteration in perception leading to the feeling that the reality of the world has been changed or lost.

Origin of derealization

1940–45; de- + realization, orig. in the phrase feeling of derealization, as translation of German Entfremdungsgefühl (Freud)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
derealization in Medicine


  1. The feeling that things in one's surroundings are strange, unreal, or somehow altered, as seen in schizophrenia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.