I.v. a.; in pass. obstŭpĕfīo , factus, fieri, to astonish, amaze, astound, stupefy; to render senseless, deprive of feeling, benumb (class.): “eum timidum obstupefecit pudor,” Ter. Phorm. 2, 1, 54: “ipso miraculo audaciae obstupefecit hostes,” Liv. 2, 10: “nisi metus maerorem obstupefaceret,” id. 25, 38; cf. Tac. H. 4, 72.—Pass.: “obstupefactis hominibus,” Cic. Deiot. 12, 34: “obstupefacti hostes,” Tac. Agr. 18: “obstupefactis nervis,” Val. Max. 3, 8, ext. 6.
ob-stŭpĕ-făcĭo , fēci, factum, 3,