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Synonyms

dual personality

American  

noun

Psychology.
  1. a disorder in which an individual possesses two dissociated personalities.


Etymology

Origin of dual personality

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They discovered that amyloid beta has a dual personality, depending on where it acts.

From Science Daily • Oct. 10, 2025

He acknowledged that he found the company’s dual personality hard to comprehend, noting that most bad landlords keep a low profile.

From Los Angeles Times • Jun. 14, 2022

Agatha Christie featured characters with split consciousness or dual personality in her short-story collection The Hound of Death.

From The Guardian • Sep. 19, 2020

By the 1960s, pink had taken on a dual personality.

From New York Times • Sep. 5, 2018

I came to develop a dual personality, and in the beginning, I could switch from one to the other as the situation warranted.

From "Kaffir Boy: An Autobiography" by Mark Mathabane

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