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Definitions

unfaithful

[uhn-feyth-fuhl] / ʌnˈfeɪθ fəl /


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.

Once the Games began, they were humiliated again by another kind of cheating scandal involving an unfaithful biathlete.

From The Wall Street Journal • Feb. 17, 2026

"And three months ago, I made the biggest mistake of my life and I was unfaithful," he continued.

From Barron's • Feb. 11, 2026

According to Pratt, MTV was not satisfied with him merely portraying an unfaithful boyfriend.

From Los Angeles Times • Jan. 27, 2026

He said his father insisted he had not been unfaithful to his partner Jane Callaghan.

From BBC • Sep. 5, 2024

“Is... that why you’re angry with her? Because she was unfaithful to him?”

From "Insurgent" by Veronica Roth