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Synonyms

split personality

American  
split personality British  

noun

  1. the tendency to change rapidly in mood or temperament

  2. a nontechnical term for multiple personality

"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

Etymology

Origin of split personality

First recorded in 1925–30

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.

See Examples For:

In grappling with her California split personality, Harris said she coined a term to describe herself: “Sangeleno,” a hybrid identifier combining San Francisco and Los Angeles that does not appear destined to catch on.

From Los Angeles Times Jan. 7, 2024

The film's split personality is a problem because it wants to be original, and it ends up being overly familiar.

From Salon May 12, 2023

Golden State developed a split personality as it proceeded in fits and starts, displaying the pride and potency that marked its dynasty years and a baffling new alter ego that seemed scattered and, frankly, mediocre.

From Washington Post Apr. 15, 2023

"Many people here have a kind of schizophrenia or split personality," explains Mr Buntman.

From BBC Nov. 24, 2022

“He’s got a split personality when he puts on that helmet.”

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

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