Definition of disinterested adjective from the Oxford Advanced Learner's Dictionary

     

    disinterested

     adjective
    adjective
    BrE BrE//dɪsˈɪntrəstɪd//
     
    ; NAmE NAmE//dɪsˈɪntrəstɪd//
     
    ; BrE BrE//dɪsˈɪntrestɪd//
     
    ; NAmE NAmE//dɪsˈɪntrestɪd//
     
    Boredom
     
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  1. 1not influenced by personal feelings, or by the chance of getting some advantage for yourself synonym impartial, objective, unbiased a disinterested onlooker/spectator Her advice appeared to be disinterested. I was merely a disinterested spectator in the whole affair. More Like This Words that look like opposites, but aren’t different/​indifferent, interested/​disinterested, famous/​infamous, flammable/​inflammable, savoury/​unsavoury, sensible/​insensible, valuable/​invaluableSee worksheet.
  2. 2(informal) not interested Which Word?interested / interesting / uninterested / disinterested / uninteresting The opposite of interested is uninterested or not interested:He is completely uninterested in politics. I am not really interested in politics. Disinterested means that you can be fair in judging a situation because you do not feel personally involved in it:A solicitor can give you disinterested advice. However, in speech it is sometimes used instead of uninterested, although this is thought to be incorrect. The opposite of interesting can be uninteresting:The food was dull and uninteresting. It is more common to use a different word such as dull or boring. See related entries: Boredom
  3. Word Origin early 17th cent.: past participle of the rare verb disinterest ‘rid of interest or concern’, from dis- (expressing removal) + interest.
See the Oxford Advanced American Dictionary entry: disinterested