infidelity
noun
in·fi·del·i·ty
ˌin-fə-ˈde-lə-tē 
-(ˌ)fī-
plural infidelities
1
a
: the act or fact of having a romantic or sexual relationship with someone other than one's husband, wife, or partner
b
: unfaithfulness to a moral obligation : disloyalty
2
: lack of belief in a religion
Synonyms
Examples of infidelity in a Sentence
She was convinced that her husband was guilty of infidelity.
He has admitted to a number of marital infidelities.
Recent Examples on the Web
Trump is accused of falsifying his company’s records to cover up payments during his 2016 campaign to bury stories of marital infidelity.
—
Michael R. Sisak, Fortune, 10 Apr. 2024
Yet despite the shocking cliffhanger audiences were left with, the scene in no way foreshadows a future reunion between the couple who divorced after John’s infidelity.
—Brande Victorian, The Hollywood Reporter, 10 Apr. 2024
Despite rampant cheating rumors, Miley denies their split was caused by infidelity.
—Emily Tannenbaum, Glamour, 7 Apr. 2024
Coup de Chance sloppily depicts Fanny’s infidelity.
—Armond White, National Review, 5 Apr. 2024
In the filing, Taylor also accused her ex of being negligent towards their kids and cheating despite telling the public that infidelity wasn’t driving their breakup back in November.
—Elizabeth Ayoola, Essence, 30 Mar. 2024
Lacking European sophistication, Allen still excuses infidelity as no big deal despite the fact that others hold it against you while indulging their own sins.
—Armond White, National Review, 5 Apr. 2024
For those unfamiliar with the very public infidelity and breakup Madix endured, she was cheated on (in her own home) by her boyfriend of a decade with her former good friend.
—Marianne Garvey, CNN, 29 Mar. 2024
Quiroga told officers that an argument between the two over infidelity and text messages erupted.
—Devoun Cetoute, Miami Herald, 7 Mar. 2024
Michael R. Sisak, Fortune, 10 Apr. 2024
Yet despite the shocking cliffhanger audiences were left with, the scene in no way foreshadows a future reunion between the couple who divorced after John’s infidelity.
—Brande Victorian, The Hollywood Reporter, 10 Apr. 2024
Despite rampant cheating rumors, Miley denies their split was caused by infidelity.
—Emily Tannenbaum, Glamour, 7 Apr. 2024
Coup de Chance sloppily depicts Fanny’s infidelity.
—Armond White, National Review, 5 Apr. 2024
In the filing, Taylor also accused her ex of being negligent towards their kids and cheating despite telling the public that infidelity wasn’t driving their breakup back in November.
—Elizabeth Ayoola, Essence, 30 Mar. 2024
Lacking European sophistication, Allen still excuses infidelity as no big deal despite the fact that others hold it against you while indulging their own sins.
—Armond White, National Review, 5 Apr. 2024
For those unfamiliar with the very public infidelity and breakup Madix endured, she was cheated on (in her own home) by her boyfriend of a decade with her former good friend.
—Marianne Garvey, CNN, 29 Mar. 2024
Quiroga told officers that an argument between the two over infidelity and text messages erupted.
—Devoun Cetoute, Miami Herald, 7 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'infidelity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Infidelity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infidelity. Accessed 23 Apr. 2024.
Copy CitationKids Definition
infidelity
noun
in·fi·del·i·ty
ˌin-fə-ˈdel-ət-ē
-(ˌ)fī-
plural infidelities
1
: lack of faith in a religion
2
: unfaithfulness especially to one's husband or wife
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