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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.

See Examples For:

From the comedians’ own unravelings, failure to evolve to the audiences’ bad-faith misreadings, or sheer disinterest, to say there’s a disconnect between the two groups is to put it lightly.

From Salon Sep. 8, 2026

But some research suggest that men's reluctance may stem less from disinterest and more from uncertainty about how to navigate dating today.

From BBC Jul. 25, 2026

Senate Majority Leader John Thune isn’t concealing his disinterest in what the House is offering, saying that he wants to focus on government funding instead.

From Slate Jul. 25, 2026

Duchamp’s seeming disinterest often revealed itself to be something far more venomous, as when he fantasized about a nihilistic readymade: “Use a Rembrandt as an ironing board.”

From The Wall Street Journal Jun. 12, 2026

He eyed the passengers moving down the aisle with mild disinterest, but only to make sure they didn’t hit his shoulder with their purses and carry-ons as they passed.

From "Scythe" by Neal Shusterman

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