I.nimbleness, briskness, agility, swiftness, fleetness (class.): “pernicitas deserit: consitus sum senectute,” Plaut. Men. 5, 2, 4: “adde pernicitatem et velocitatem,” Cic. Tusc. 5, 15, 45; Caes. B. C. 3, 84: “pedum pernicitas,” Liv. 9, 16: “homines saltatim currentes, vivacissimae pernicitatis,” Gell. 9, 4, 9: “equorum,” Tac. H. 1, 79.
pernīcĭtas , ātis, f. pernix,