Definition of disloyal in US English:



  • 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’
    • ‘They violate agreements and are disloyal to the treaties they have signed.’
    • ‘Few of you, because you agreed with her actions, thought about how she was disloyal to her employer.’
    • ‘Officials are managing to shift the spotlight shift away from their failings, while the crew themselves are now being targeted as disloyal to a colleague who tried her hardest and came up short.’
    • ‘Ambitious, treacherous, and disloyal to his elder brother Llywelyn, he allowed himself to be manipulated by English kings.’
    • ‘He says it would be disloyal to all the Chelsea fans.’
    • ‘However, according to Clarin, the Argentine daily newspaper, Heany at one point did begin to feel disloyal to her country, which created some tension among the team.’
    • ‘These boundaries determine who is in and out, pure and impure, and loyal and disloyal to the group ethos.’
    • ‘I remember feeling disloyal to the country that had been my host for almost twelve months - the day before we had gone around in shorts and t-shirts and already it seemed like a dream.’
    • ‘We might consider the way, in groups of three or more, how there's always the possibility of two people being disloyal to the gathering, and how to moderate that behaviour.’
    • ‘But his obsession with not wanting to be disloyal to the leader is hurting him vis- vis the other contenders on the ground game.’
    • ‘Sure they can do that - they are paying the employee, and it is stupid to keep feeding an employee who is disloyal to the company.’
    • ‘Armitage has been fighting for balance within the interagency process for some time - and for that is probably considered disloyal to the President.’
    • ‘It would be understandable if she thought that expressing an interest in her biological roots might seem disloyal to her stepfather, the man she was always proud to call Dad.’
    • ‘Section 3 was justified by the fear that voters in one state or district might elect candidates who are disloyal to the country as a whole.’
    • ‘But hiding a fantasy - the attraction to another woman - is like keeping a secret from his partner and it is this restriction of truth that seems so disloyal to me.’
    • ‘One may just be accused of being negative or even of being unpatriotic and disloyal to one's country.’
    • ‘I have never been disloyal to him, because he has always done the business for me and Holland.’
    • ‘In this case, telling someone isn't being disloyal to your friend - it's sometimes necessary to break confidence to ensure a friend's well-being.’
    • ‘A fellow journalist told me the other day that he admires Powell for making his disagreement clear without being publicly disloyal to the president.’
    • ‘And it is not unpatriotic and not disloyal to dissent with the views of the President, or anyone else for that matter.’
    unfaithful, faithless, false, false-hearted, untrue, inconstant, untrustworthy
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    1. 1.1 (of an action, speech, or thought) demonstrating a lack of loyalty.
      ‘disloyal mutterings about his leadership’
      • ‘Clark tried not to entertain the disloyal thought that that might not be such a bad thing after all.’
      • ‘Several stated that they had heard no one utter disloyal sentiments, but others gave different testimony.’
      • ‘I immediately rebuked myself for the disloyal thought.’
      • ‘The War Department issued specific instructions for this guard duty, including orders for addressing disloyal acts by civilians against such structures.’
      • ‘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.’
      • ‘It was, the paper believed, an exhibition of disloyal sentiment.’
      • ‘That the drama commences with eccentric characters and their disloyal proclivities causes the viewer to be disillusioned with the whole idea of relationships.’
      • ‘This followed its 1862 Treason Act, which was never held to cover the expression of disloyal sentiments.’
      • ‘A declaration of personal belief can amount to a disloyal statement if it disavows allegiance owed to the United States by the declarant.’
      • ‘To be separated from him for any length of time meant to be in mortal danger, for Hitler was susceptible to whisperings about disloyal acts and even outright treason perpetrated by the absent person.’
      • ‘He was convicted of making disloyal statements and demoted for telling a reporter there that he was in the military and that he opposed the war.’
      • ‘On the other hand, such criticism can readily be cast as disloyal.’
      traitorous, perfidious, faithless, unfaithful, duplicitous, false-hearted, deceitful, false, untrue, back-stabbing, double-crossing, double-dealing, two-faced, janus-faced, untrustworthy, unreliable, undependable, fickle
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Late 15th century: from Old French desloial, from des- (expressing negation) + loial ‘loyal’.