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Sexual intercourse between a man and a woman who are not married to each other.
Under the Common Law, the crime of fornication consisted of unlawful sexual intercourse between an unmarried woman and a man, regardless of his marital status. If the woman was married, the crime was Adultery.
Today, statutes in a number of states declare that fornication is an offense, but such statutes are rarely enforced. On the theory that fornication is a victimless crime, many states do not prosecute persons accused of the offense.
Under modern-day legislation, if one of the two persons who engage in sexual intercourse is married to another person, he (or she) is guilty of adultery. Statutes in some states declare that if the woman is married, the sexual act constitutes adultery on the part of both persons, regardless of the man's marital status.
Although penalties are seldom enforced, they usually consist of a fine, imprisonment, or both. In November of 1996 an Idaho prosecutor brought fornication charges against a teenage couple in an effort to curb teen pregnancy.
n. sexual intercourse between a man and woman who are not married to each other. This usage comes from Latin fornicari, meaning vaulted, which became the nickname for brothel, because prostitutes operated in a vaulted underground cavern in Rome. Fornication is still a misdemeanor in some states, as is adultery (sexual intercourse by a married person with someone not his/her spouse), but is virtually never prosecuted. If such anachronistic laws were enforced, the jails of America would have no room for robbers, murderers and drug dealers.