Laxi Dictionary

English Dictionary

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Definition unfaithful in British English

unfaithful adjective

adjective
/ʌnˈfeɪθf(ə)l/
1

having a sexual relationship with someone who is not your husband, wife, or partner

Example

He had never been unfaithful to her before.

Synonyms and related words
a bit on the side adulterer adulteress
2

not loyal

Synonyms and related words
disloyal treacherous disaffected
Definition unfaithful in British English