Fornication

unmarried sexual intercourse

Fornication is a word that means having sex with someone who is not your spouse. Many Christians and Muslims believe it is sinful.

The Black Stool, a painting by 18th century painter David Allan:A young bachelor is accused of fornication. The luckless lass, seen with her angry mother in the lower foreground, bewails her fate, while his parents on the left hang their heads in shame.