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Definition unfaithfulness or disloyalty — especially from violating marriage vows through sexual relations with someone other than a spouse
  • The candidate was accused of marital infidelity.
  • I forgive his infidelity which I have reason to believe he also regrets...
    Alexandre Dumas  --  Ten Years Later
  • Cavendish believed that the slip of paper to which her mother-in-law clung so tenaciously was a written proof of her own husband's infidelity.
    Agatha Christie  --  The Mysterious Affair at Styles
  • But it is necessary to the happiness of man, that he be mentally faithful to himself. Infidelity does not consist in believing, or in disbelieving; it consists in professing to believe what he does not believe.
    Thomas Paine  --  The Age of Reason
  • She felt somewhat like a woman who in a moment of passion is betrayed into an act of infidelity...
    Kate Chopin  --  The Awakening and Selected Short Stories
  • But things like jealousy, rage, and infidelity—they don't disappear.
    Jodi Picoult  --  Change of Heart
  • Even in his infidelities he behaved as one could count on his behaving and never gave rise to scandal.
    Albert Camus  --  The Plague
  • I pass my life in crummy, totally pointless infidelities ....
    Edward Albee  --  Who's Afraid of Virginia Woolf?
  • Unchastity and infidelity were as confused to him as to the Middle Ages, his only moral teacher.
    E.M. Forster  --  Howards End
  • He hated himself for his infidelity to his Virgin, to his people.
    Zane Grey  --  The Light of Western Stars
  • Infidelity is a dangerous business.
    Judith Guest  --  Ordinary People
  • She loved him and he loved her, and this unwanted child now seemed to her a proof of infidelity to that love.
    Margaret Mitchell  --  Gone with the Wind
  • Unbelievers are to be met with in America, but, to say the truth, there is no public organ of infidelity.
    Alexis de Toqueville  --  Democracy In America, Volume 1
  • If he accuses one of his wives of witchcraft or infidelity, she can be killed.
    Alice Walker  --  The Color Purple
  • Megamoney, lurid sex, drugs, betrayal, infidelity, assassination, and an illegitimate child.
    Nicholas Sparks  --  Safe Haven
  • How aware Abigail may have been of the husband's frequent infidelities is not known.
    David McCullough  --  John Adams
  • Of course, Tia Fidelina, our uncle's wife, who is sweet and dedicated to La Virgen, "knows nothing" about Tio Orlando's infidelities.
    Julia Alvarez  --  How the Garcia Girls Lost Their Accents
  • He hadn't known about the demise of his previous relationship, however, and Sarah's infidelity had intrigued him.
    Nicholas Sparks  --  The Guardian
  • Idris says, irked that Timur has burdened him again with knowledge of his misconduct, his infidelity, his grotesque frat-boy antics.
    Khaled Hosseini  --  And The Mountains Echoed
  • He spoke much of Cunegonde, and Candide told him that he should ask forgiveness of that beautiful one for his infidelity when he should see her in Venice.
    Voltaire  --  Candide

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