The Open Dictionary

disinterested

adjective

UK/dɪˈsɪn.tres.tɪd/
US/dɪˈsɪn.trɪ.stɪd/

Definitions of disinterested adjective

  1. not influenced by personal feelings or gain; impartial and unbiased

    • A disinterested observer must remain objective.

    • The judge handled the case in a disinterested manner.

    • We need a disinterested third party to resolve the dispute.