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disinterest

[dis-in-ter-ist, -trist]
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noun
  1. absence of interest; indifference.
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verb (used with object)
  1. to divest of interest or concern.
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Origin of disinterest

First recorded in 1605–15; dis-1 + interest
Can be confuseddisinterest uninterest
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for disinteresting

disinterest

noun
  1. freedom from bias or involvement
  2. lack of interest; indifference
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verb
  1. (tr) to free from concern for personal interests
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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