Pronunciation: /splɪt pɜːr.səˈnæl.ɪ.ti/
noun The division or separation of something into two or more parts or elements.
A1 My friend has a split personality, sometimes he is very outgoing and other times he is very shy.
A2 The movie character exhibited a split personality, switching between good and evil traits.
B1 The psychologist diagnosed the patient with a split personality disorder, causing them to behave erratically.
B2 The novel's protagonist struggled with their split personality, trying to find a balance between their conflicting identities.
C1 The artist's work explored the concept of a split personality, depicting the inner turmoil of the human psyche.
C2 The actor's portrayal of a character with a split personality was praised for its depth and complexity.
formal The patient was diagnosed with a split personality disorder, also known as dissociative identity disorder.
informal Sometimes I feel like I have a split personality, with one side being serious and the other side being carefree.
slang My friend can be so unpredictable, it's like she has a total split personality.
figurative His actions at work and at home are so different, it's like he has a split personality.
split personalities
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split personality
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having a split personality