- done, felt, etc. by each of two or more for or toward the other or others; reciprocal: mutual admiration
- of, or having the same relationship toward, each other or one another: mutual enemies
- shared in common; joint: our mutual friend
- designating or of a type of insurance in which the policyholders elect the directors, share in the profits, and agree to indemnify one another against loss
Origin of mutual
Late Middle English mutuall from Middle French mutuel from Classical Latin mutuus, mutual, reciprocal from mutare, to change, exchange: see miss