Definition of infidelity in US English:

infidelity

nounPlural infidelities

  • 1The action or state of being unfaithful to a spouse or other sexual partner.

    ‘her infidelity continued after her marriage’
    ‘I ought not to have tolerated his infidelities’
    • ‘After her first two failed marriages and her ex-husband's infidelities, she could not go down this road herself.’
    • ‘Such exploration could be helpful, as it seems natural to conclude that these infidelities have different meanings in relationships and that treatment differs for different categories of infidelity.’
    • ‘For Lester though, elevating the infidelities to sexual intimacy or explicitness isn't necessary, or always the most interesting choice.’
    • ‘And once their fairytale officially ended, relations between them became the stuff of Shakespearean drama, with intrigues, infidelities and fights for centre-stage.’
    • ‘Converting to Catholicism at the time of his marriage, Greene sought to be true to his vows, yet his numberless, ongoing infidelities and disregard for the institution of the church make one skeptical.’
    • ‘They rehearse confronting their spouses about the infidelities.’
    • ‘Is this type of behavior likely to lead to future infidelities?’
    • ‘It is further important to ascertain if infidelities are same-sex or opposite-sex relationships, as this might influence meanings of infidelity in relationships.’
    • ‘My lovely partner, Patrick, suffered the knowledge of my infidelities and witnessed my mental, physical, and spiritual decay.’
    • ‘But his lying was about his sexual infidelities, not his activities as President.’
    • ‘Affairs, infidelities, sexual peccadilloes fall generally outside the purview of inquisitive political eyes; at any rate, they do not make for fodder for a dirty election campaign.’
    • ‘But having affairs of her own couldn't lessen the pain caused by Rivera's infidelities.’
    • ‘Two men were overheard talking about the infidelities of an office Romeo.’
    • ‘But there are also the families that have simply ceased to function, where drugs and boredom and sexual infidelities have taken their toll, and grudges have become intertwined with other things.’
    • ‘But after the Rubinstein cosmetic line caught on, she would no longer tolerate his once-overlooked infidelities.’
    • ‘However, there are no findings on the influence of parental infidelities on the likelihood of their children engaging in infidelity.’
    • ‘Sure, there are drugs and infidelities and deviant sexuality, but that's the exception for this otherwise decent lot.’
    • ‘Incidentally, it appears that women are more inclined to engage in these combined-type infidelities.’
    • ‘Byron's vengeful wife, tired of his infidelities with both men and women, accused him of sleeping with his own sister.’
    • ‘He knew of all the infidelities and affairs within the family.’
    unfaithfulness, adultery, unchastity, cuckoldry, extramarital relations, extramarital sex
    View synonyms
  • 2Unbelief in a particular religion, especially Christianity.

    • ‘As a result of their infidelity, the people descended into moral and spiritual corruption.’
    • ‘In a day of widespread infidelity, he was a college student who was highly religious.’
    • ‘They are the righteous ones whose garments have not been soiled by infidelity to the patron of the universe.’
    • ‘At a stroke, scientists have scuppered religion and taken the moral sting out of infidelity.’
    • ‘It is said that he wouldn't stay in a room with men whose conversation was marked by infidelity and blasphemy.’
    • ‘I like books about atheism and infidelity and general neuroticism much more.’

Origin

Late Middle English (in the senses ‘lack of faith’ and ‘disloyalty’): from Old French infidelite or Latin infidelitas, from infidelis ‘not faithful’ (see infidel).

Pronunciation

infidelity

/ˌɪnfəˈdɛlədi//ˌinfəˈdelədē/