{ Phrenetic , Phrenetical , } a. [L. phreneticus, Gr. φρενητικός, φρενιτικός: cf. F. phrénétique. See Frantic, and cf. Frenetic.] Relating to phrenitis; suffering from frenzy; delirious; mad; frantic; frenetic. -- Phre*net"ic*al*ly, adv.1913 Webster
Phrenetic, n. One who is phrenetic.Harvey.1913 Webster