homewrecker

American  

[hohm-rek-er] / ˈhoʊmˌrɛk ər /

Or home-wrecker

noun

1. a person who disrupts or destroys the harmony of a marriage or long-term relationship by having an affair with one of the partners.

   She was dumped by her longtime hubby Rod, who then shacked up with that homewrecker Cassie Jones.

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Etymology

Origin of homewrecker

First recorded in 1875–80; home ( def. ) + wrecker ( def. )

Example Sentences

With the help of social media, stories that had mostly been limited to neighbourhood gossip now make for viral "pelakor" content, a slang term for homewrecker and an oft-used keyword in videos of wives confronting their husbands' mistresses.

From BBC

Taylor was labeled a “homewrecker” after “stealing” Fisher from Reynolds — she married him, she says, because she could talk to him about his best friend, her late husband Mike Todd, who was killed in an air crash.

From Los Angeles Times

“Saturday Night Live” is not a homewrecker.

From Los Angeles Times

The term “homewrecker” makes my skin crawl — probably because my dad was serially unfaithful to my mom, which I knew about for two reasons.

From Los Angeles Times

Still, trouble is standard for the form, as the episode titles indicate: “Homewrecker,” “Rock and a Hard Place,” “Boiling Point,” “Sins of the Father,” “Pressure Drop” — probably nothing to do with Toots or the Clash.

From Los Angeles Times