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
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
The funniest part was that the clause has some basis considering Johnson has been accused of infidelity by other partners, including Rosado.
—
Keydra Manns, Essence, 27 Feb. 2025
Amid his social media rampage, Rob also accused Chyna of drug abuse, alcohol abuse and infidelity.
—Stephanie Wenger, People.com, 26 Feb. 2025
Our issues have nothing to do with infidelity, drugs, alcohol or money.
—R. Eric Thomas, The Mercury News, 22 Feb. 2025
Certainly, infidelity can change how many others might regard somebody.
—Mikal Gilmore, Rolling Stone, 16 Feb. 2025
See All Example Sentences for infidelity
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Keydra Manns, Essence, 27 Feb. 2025
Amid his social media rampage, Rob also accused Chyna of drug abuse, alcohol abuse and infidelity.
—Stephanie Wenger, People.com, 26 Feb. 2025
Our issues have nothing to do with infidelity, drugs, alcohol or money.
—R. Eric Thomas, The Mercury News, 22 Feb. 2025
Certainly, infidelity can change how many others might regard somebody.
—Mikal Gilmore, Rolling Stone, 16 Feb. 2025
See All Example Sentences for infidelity
Articles Related to infidelity
Cite this Entry
“Infidelity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infidelity. Accessed 13 Mar. 2025.
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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