dual personality
Americannoun
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
She said Mr. Sweat had a dual personality: “He could be a nice boy. But when the little bit of hellion in him came out, it came out full force.”
From New York Times • Jun. 12, 2015
Hey, this is what a dual personality is like.
From Salon • Jul. 25, 2012
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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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.