Definition of infidelity in English:

infidelity

nounPlural infidelities

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

    ‘her infidelity continued after her marriage’
    count noun ‘I ought not to have tolerated his infidelities’
    • ‘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.’
    • ‘But after the Rubinstein cosmetic line caught on, she would no longer tolerate his once-overlooked infidelities.’
    • ‘Is this type of behavior likely to lead to future infidelities?’
    • ‘However, there are no findings on the influence of parental infidelities on the likelihood of their children engaging in infidelity.’
    • ‘And once their fairytale officially ended, relations between them became the stuff of Shakespearean drama, with intrigues, infidelities and fights for centre-stage.’
    • ‘Two men were overheard talking about the infidelities of an office Romeo.’
    • ‘It is further important to ascertain if infidelities are same-sex or opposite-sex relationships, as this might influence meanings of infidelity in relationships.’
    • ‘For Lester though, elevating the infidelities to sexual intimacy or explicitness isn't necessary, or always the most interesting choice.’
    • ‘My lovely partner, Patrick, suffered the knowledge of my infidelities and witnessed my mental, physical, and spiritual decay.’
    • ‘Incidentally, it appears that women are more inclined to engage in these combined-type infidelities.’
    • ‘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.’
    • ‘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.’
    • ‘They rehearse confronting their spouses about the infidelities.’
    • ‘But having affairs of her own couldn't lessen the pain caused by Rivera's infidelities.’
    • ‘Sure, there are drugs and infidelities and deviant sexuality, but that's the exception for this otherwise decent lot.’
    • ‘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.’
    • ‘He knew of all the infidelities and affairs within the family.’
    • ‘Byron's vengeful wife, tired of his infidelities with both men and women, accused him of sleeping with his own sister.’
    • ‘But his lying was about his sexual infidelities, not his activities as President.’
    • ‘After her first two failed marriages and her ex-husband's infidelities, she could not go down this road herself.’
    unfaithfulness, adultery, unchastity, cuckoldry, extramarital relations, extramarital sex
    View synonyms
  • 2Disbelief in a particular religion, especially Christianity.

    • ‘As a result of their infidelity, the people descended into moral and spiritual corruption.’
    • ‘I like books about atheism and infidelity and general neuroticism much more.’
    • ‘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.’
    • ‘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.’

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

/ɪnfɪˈdɛlɪti/