Definition of disloyal in English:


Syllabification: dis·loy·al
Pronunciation: /disˈloiəl


  • 1Failing to be loyal to a person, country, or body to which one has obligations: she felt that inquiring into her father’s past would be disloyal to her mother
    More example sentences
    • These boundaries determine who is in and out, pure and impure, and loyal and disloyal to the group ethos.
    • And it is not unpatriotic and not disloyal to dissent with the views of the President, or anyone else for that matter.
    • One may just be accused of being negative or even of being unpatriotic and disloyal to one's country.
    unfaithful, faithless, false, false-hearted, untrue, inconstant, untrustworthy, unreliable, undependable, fickle; treacherous, traitorous, subversive, seditious, unpatriotic, two-faced, double-dealing, double-crossing, deceitful; dissident, renegade; adulterous
    informal backstabbing, two-timing
    literary perfidious
  • 1.1(Of an action, speech, or thought) demonstrating a lack of loyalty: disloyal mutterings about his leadership
    More example sentences
    • But sometimes when political capital is low, really, really low, when your own worshipers begin thinking disloyal thoughts, you have to pull out all the stops.
    • I immediately rebuked myself for the disloyal thought.
    • Clark tried not to entertain the disloyal thought that that might not be such a bad thing after all.



More example sentences
  • ‘I found it boring myself,’ he says, disloyally.
  • It was said there that a key factor in determining whether there was a breach of a fiduciary duty is a finding that the fiduciary acted disloyally in placing its interests ahead of the beneficiary's.
  • She was also accused of philistinism, particularly because of a remark she made at a private dinner party, disloyally leaked by a fellow guest.


late 15th century: from Old French desloial, from des- (expressing negation) + loial 'loyal'.

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