unfaithful
adjective/ʌnˈfeɪθfəl/
Frequency rank: #12,203 most common English word
Meaning
Not loyal or faithful; having broken trust, especially in a romantic relationship.
Example sentence
She felt betrayed when she discovered her partner had been unfaithful to her.
Synonyms & related words
- disloyal
- cheating
- treacherous
- deceitful
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