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Definitions

infidelity

[in-fi-del-i-tee] / ˌɪn fɪˈdɛl ɪ ti /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It turns out his mother lied to me about many things: her infidelity and numerous financial issues.

From MarketWatch • Feb. 19, 2026

Then came a different kind of cheating when medal-winning Norwegian biathlete Sturla Holm Laegreid confessed to infidelity in a TV interview.

From Los Angeles Times • Feb. 17, 2026

An attorney retained by Andrew’s family told ABC7 that moments before the killing, Andrew read a diary entry in which his wife described engaging in infidelity.

From Los Angeles Times • Jan. 24, 2026

So Night and Day was about journalism and its purposes; the Real Thing was about love and infidelity and starred Felicity Kendal, for whom Stoppard left his second wife, the doctor and broadcaster Miriam Stoppard.

From BBC • Nov. 29, 2025

Jean-Paul’s infidelity is just a phase, says Simone, so she never lets it faze her. fewer/less.

From "Woe Is I" by Patricia T. O'Conner




Vocabulary lists containing infidelity