Entry 1 sense Webster, 1913 Manic /măn'-ĭk/ · Man·ic · IPA /ˈmænɪk/ 01 a. Of or pert. to, or characterized by, mania, or excitement; frenzied; as, with manic energy. 1. Of or pert. to, or characterized by, mania, or excitement; frenzied; as, with manic energy.(Med.)