Cohabitation (noun)

1. The act or state of living together in a sexual relationship without being married.
2. The act or state of living together in the same residence.

Origin:

Derived from the verb "cohabit" meaning to live together in a sexual relationship without being married.

Examples:

1. Cohabitation is becoming increasingly common among young adults.
2. The couple's cohabitation was not accepted by their families.
3. The legal rights of cohabiting couples vary depending on the country.
4. The study found that cohabitation before marriage is associated with a higher risk of divorce.
5. The cohabitation agreement outlines the rights and responsibilities of the couple living together.