infidelity

noun
UK: /ˌɪnfɪˈdeləti/
US: /ˌɪnfɪˈdeləti/

  1. The act of not being faithful to your wife, husband, or partner by having a sexual relationship with someone else.

    1. His infidelity hurt her a lot.
    2. She discovered his infidelity after finding a series of secret messages on his phone.

  2. The state of not being loyal to a person, country, or organization.

    1. His infidelity to the cause was shocking.
    2. The politician's infidelity to his party's core values led to his expulsion.

Synonyms

adultery disloyalty treachery

Frequently Asked Questions

The word "infidelity" in English means: The act of not being faithful to your wife, husband, or partner by having a sexual relationship with someone else., The state of not being loyal to a person, country, or organization..

The phonetic transcription of "infidelity" is /ˌɪnfɪˈdeləti/ in British English and /ˌɪnfɪˈdeləti/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "infidelity": adultery, disloyalty, treachery.

Example usage of "infidelity": "His infidelity hurt her a lot.". More examples on the page.