disinterest
[noun]
Synonyms: impartiality, detachment, fairness, neutrality

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Antonyms: interest

[TahlilGaran] English Synonym Dictionary ▲

dis‧in‧terest /dɪsˈɪntrəst, dɪsˈɪntrɪst/ noun [uncountable]
[Word Family: adverb: interestingly, disinterestedly; adjective: interested ≠ disinterested ≠ uninterested, interesting ≠ UNINTERESTING; verb: interest; noun: interest ≠ disinterest]

1. a lack of interest
disinterest in
The exception to Balfour’s disinterest in social issues was education.

2. when you are able to judge a situation fairly because you are not involved in it

[TahlilGaran] Dictionary of Contemporary English ▲