infidelity Definition

the action or state of being unfaithful to a spouse or other sexual partner.

Using infidelity: Examples

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

  • Example

    He was caught in an act of infidelity with his secretary.

  • Example

    She couldn't forgive her husband's infidelity and decided to file for divorce.

  • Example

    Infidelity is one of the leading causes of divorce in many countries.

infidelity Synonyms and Antonyms

Synonyms for infidelity

Antonyms for infidelity

Phrases with infidelity

  • emotional infidelity

    a situation where a person engages in emotional intimacy with someone outside their relationship, without necessarily engaging in physical intimacy


    Her husband accused her of emotional infidelity, saying that she was spending too much time with her male coworker.

  • the act of being unfaithful to one's spouse or partner


    The couple's marriage was destroyed by his repeated acts of marital infidelity.

  • the act of engaging in sexual activity with someone outside one's relationship


    She discovered her partner's sexual infidelity when she found explicit messages on his phone.


Summary: infidelity in Brief

Infidelity [ˌɪnfɪˈdeləti] refers to the act of being unfaithful to a spouse or partner. It can take various forms, such as emotional infidelity, sexual infidelity, and marital infidelity. Infidelity is often cited as a leading cause of divorce. Examples include 'He was caught in an act of infidelity with his secretary.'