live in sin

Idioms  

1. Cohabit outside marriage, as in Bill and Anne lived in sin for years before they got married. This term, dating from the early 1800s, is mostly used in a jocular fashion today, when customs and views are more liberal in this regard. Also see live together.

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Example Sentences

The ride-hailing company’s new Transit feature is going live in Sin City where residents and gamblers alike can use their Uber app to buy tickets for the city’s bus system.

From The Verge

They spoke of the decline of family values and the “natural” way of life: abortion, gay soldiers demanding to live openly, the young rejecting marriage in order to live in sin – all indicators of the tribulation to come.

From The Guardian

But the troubled diva is one of the influences behind Helen McCrory’s searing performance in Rattigan’s play “The Deep Blue Sea ” as a well-off woman who leaves her husband to live - in sin and shame, since it’s the 1950s - with a younger man.

From Washington Times

But the troubled diva is one of the influences behind Helen McCrory's searing performance in Rattigan's play "The Deep Blue Sea " as a well-off woman who leaves her husband to live — in sin and shame, since it's the 1950s — with a younger man.

From US News

But the troubled diva is one of the influences behind Helen McCrory’s searing performance in Rattigan’s play “The Deep Blue Sea ” as a well-off woman who leaves her husband to live — in sin and shame, since it’s the 1950s — with a younger man.

From Seattle Times