I.v. inch. n. and a., to become senseless, lose feeling; to be stupefied, benumbed (syn.: obtorpesco; class.).
II. Trop., to be astonished, astounded, amazed, to be struck with amazement: “quid hic, malum, adstans obstipuisti,” Plaut. Poen. 1, 2, 51: “ob haec beneficia, quibus illi obstupescunt,” Cic. Att. 5, 21, 7: “ejus aspectu cum obstupuisset bubulcus,” id. Div. 2, 23, 50: “visu Aeneas,” Verg. A. 5, 90: “obstupuerunt stupore magno,” Vulg. Marc. 5, 42 et saep.—
(β).
With acc., to wonder or be astonished at any thing (post-class.), Cassiod. Var. 2, 39.