mutual

adjective

Directed and received by each toward the other; reciprocal.

adjective

Having the same relationship to each other.

adjective

Possessed in common.

adjective

Of, relating to, or in the form of mutual insurance.

noun

A mutual fund.

Based on the principle of mutuality in sharing both burdens and benefits: as, a mutual insurance company.

Reciprocally given and received; pertaining alike or reciprocally to both sides; interchanged: as, mutual love; to entertain a mutual aversion.

Equally relating to or affecting two or more together; common to two or more combined; depending on, proceeding from, or exhibiting a certain community of action; shared alike.

Common: used in this sense loosely and improperly (but not infrequently, and by many writers of high rank), especially in the phrase a mutual friend.