unfaithful Definition

not remaining loyal to someone or something; breaking trust.

Using unfaithful: Examples

Take a moment to familiarize yourself with how "unfaithful" can be used in various situations through the following examples!

  • Example

    He was unfaithful to his wife.

  • Example

    The company accused the employee of being unfaithful to their policies.

  • Example

    The dog was unfaithful to its owner and ran away.

  • Example

    The politician was unfaithful to their promises.

unfaithful Synonyms and Antonyms

Phrases with unfaithful

  • unfaithful lover

    a person who cheats on their romantic partner


    She found out that her husband was an unfaithful lover and decided to divorce him.

  • unfaithful friend

    a person who breaks trust with their friend


    He was an unfaithful friend who betrayed my confidence.

  • a person who does not follow the rules or policies of their employer


    The company fired the unfaithful employee for stealing from the cash register.


Summary: unfaithful in Brief

The term 'unfaithful' [ʌnˈfeɪθfʊl] describes a person or thing that is not loyal or trustworthy, often breaking trust. It can be used to describe people who cheat on their partners, break promises, or do not follow rules. Examples include 'He was unfaithful to his wife' and 'The company accused the employee of being unfaithful to their policies.' Synonyms include 'disloyal' and 'treacherous,' while antonyms include 'faithful' and 'trustworthy.'