Definition of disloyalty in US English:

noun

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

  ‘an accusation of disloyalty and betrayal’

  More example sentences

  • ‘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.’

  Synonyms

  unfaithfulness, infidelity, inconstancy, faithlessness, fickleness, unreliability, untrustworthiness, breach of trust, breach of faith, betrayal, falseness, false-heartedness, falsity

  View synonyms