乱らん婚こん

noun

promiscuity; promiscuous sexual relations

Refers to having many casual sexual partners without commitment. Often used in sociological or anthropological contexts, but also in everyday language.

See also: 雑婚

• 乱らん婚こんは性せい感かん染せん症しょうのリスクを高たかめる。

  Promiscuity increases the risk of sexually transmitted infections.

• その文ぶん化かでは乱らん婚こんが一いっ般ぱん的てきだったと言いわれている。

  It is said that promiscuity was common in that culture.