adj. 1. a. Directed and received by each toward the other; reciprocal: mutual respect. b. Having the same relationship to each other: "They were cognitive companions, mutual brain-pickers" (Cynthia Ozick). c. Possessed in common: mutual interests. 2. Of, relating to, or in the form of mutual insurance. n. A mutual fund. [French mutuel, from Old French, from Latin mūtuus, borrowed; see mei-1 in the Appendix of Indo-European roots.] mu′tu·ali·ty (-ălĭ-tē) n. mutu·al·ly adv. |
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