infidelity

IPA: ɪnfɪdˈɛɫɪti

Unfaithfulness in a marriage or an intimate (sexual or romantic) relationship: practice or instance of having a sexual or romantic affair with someone other than one's spouse, without the consent of the spouse.
Unfaithfulness in some other moral obligation.
Lack of religious belief.

Examples of "infidelity" in Sentences

My only objection to infidelity is the deception required.
For such men, who are in fact profoundly monogamous, infidelity is almost unavoidable.
Not all divorces mean people cheat but infidelity is the number one reason for divorce.
It's ironic because Sarah's infidelity is the reason the couple find themselves on the beach in the first place.
When we were making it, the arguments on set were just amazing about whether mental infidelity is better or worse than physical infidelity.
What does it mean, this gradual growth of what we call infidelity, of criticism and science on the one hand, this gradual death of the old traditions on the other?
What does it mean: this gradual growth of what we call infidelity, of criticism and science on the one hand, this gradual death of the old traditions on the other?
A 2008 study by the National Science Foundation found that 15 percent of women over 60 admit to having had an affair in their lifetimes, and that the rate of female infidelity is actually growing faster than that of males.
And again: "Hadst thou not had a villain's heart, thou shouldst have gained my consent, then made this match, instead of hiding it from those who loved thee" -- a sentiment which would seem to us astounding and inexplicable had we not became familiar with it in the preceding pages relating to savages and barbarians, by whom what we call infidelity was considered unobjectionable, provided it was not done secretly.