split personality

noun

dissociative identity disorder.

Similar
dissociative identity disordermultiple personality
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Meanings

nounsplit personality (plural split personalities)

plural split personalities

  1. slanghuman sciencesdissociative identity disorder.

    Synonyms: dissociative identity disorder, multiple personality

Synonyms & antonyms

noundissociative identity disorder.

Similar
dissociative identity disordermultiple personality

More synonyms by meaning

nouna relatively rare dissociative disorder in which the usual integrity of the personality breaks down and two or more independent personalities emerge

Similar
multiple personality
Broader
dissociative disorder
Also see
multiple personality

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

split personality. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/split%20personality

MLA

“split personality.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/split%20personality. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “split personality,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/split%20personality.

Source: split personality on Wiktionary, CC BY-SA 4.0.