de·​re·​al·​i·​za·​tion | \ (ˌ)dē-ˌrē-ə-lə-ˈzā-shən How to pronounce derealization (audio) \

Definition of derealization

: a feeling of altered reality (such as that occurring in schizophrenia or in some drug reactions) in which one's surroundings appear unreal or unfamiliar

Examples of derealization in a Sentence

Recent Examples on the Web People with dissociative psychiatric conditions such as derealization or depersonalization syndrome report that their perceptual worlds, even their own selves, lack a sense of reality. Anil K. Seth, Scientific American, "The Neuroscience of Reality," 27 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'derealization.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of derealization

1942, in the meaning defined above

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The first known use of derealization was in 1942

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Cite this Entry

“Derealization.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2020.

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variants: or British derealisation \ (ˌ)dē-​ˌrē-​ə-​lə-​ˈzā-​shən, -​ˌri-​ə-​ How to pronounce derealisation (audio) \

Medical Definition of derealization

: a feeling of altered reality that occurs often in schizophrenia and in some drug reactions

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