Definition of disloyalty in US English:



  • The quality of not being loyal to a person, country, or organization; unfaithfulness.

    ‘an accusation of disloyalty and betrayal’
    • ‘As a father himself he finds such disloyalty and betrayal completely unacceptable.’
    • ‘The death and torture camps, barbaric prisons for political opponents and routine beatings for anyone suspected of disloyalty are well documented.’
    • ‘It has been a cancer in the Labor Party, this disloyalty.’
    • ‘By your historically unprecedented disloyalty, you have betrayed our trust.’
    • ‘The cocaine trade being so lucrative, it encouraged disloyalty and betrayal.’
    unfaithfulness, infidelity, inconstancy, faithlessness, fickleness, unreliability, untrustworthiness, breach of trust, breach of faith, betrayal, falseness, false-heartedness, falsity
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