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Synonyms

disinterest

American  
[dis-in-ter-ist, -trist] / dɪsˈɪn tər ɪst, -trɪst /

noun

  1. lack of interest; indifference.

  2. the absence of bias or self-interest; impartiality.


verb (used with object)

  1. to divest of interest or concern.

disinterest British  
/ dɪsˈɪntrɪst, -tərɪst /

noun

  1. freedom from bias or involvement

  2. lack of interest; indifference

"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

verb

  1. (tr) to free from concern for personal interests

"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 disinterest

First recorded in 1605–15; dis- 1 + interest

Explanation

Disinterest is a lack of curiosity or attachment, like your complete disinterest in your younger sister's scene-by-scene recap of the plot of her favorite cartoon. One kind of disinterest is simply a lack of enthusiasm, like your disinterest in sports or local politics: you just don't care. Another kind of disinterest is more of a neutrality or impartiality. A mediator, judge, or negotiator needs this type of disinterest in order to hear two opposing viewpoints without prejudice. Disinterest comes from the prefix dis-, "lack of," and interest, from the Latin interresse, "to concern, make a difference, or be of importance."

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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.

“It’s not out of disinterest on our part,” Hall adds — a slight caveat.

From Los Angeles Times • Mar. 12, 2026

Friday’s softer-than-expected CPI reading, which showed the lowest reading for core inflation pressures in nearly five years, is the latest example of the market’s growing disinterest in economic data.

From Barron's • Feb. 13, 2026

In the light of his limited game time and Emery's often brutal honesty about his disinterest in signing him, Liverpool and Villa discussed altering the agreement in recent days.

From BBC • Feb. 3, 2026

Describing “Tron: Ares” as a box office flop is an understatement – more like, it crashed into the public’s disinterest and burst into thousands of tiny cubes.

From Salon • Dec. 14, 2025

I was trying to think of some response when he looked away in disinterest.

From "The Secret History" by Donna Tartt

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