I.not properly constituted, faulty, defective, wrong (as adj. only ante- and postclass.): populares, Att. ap. Non. 150, 12: “nihil perperum,” Vop. Tac. 6 (dub.; al. praeproperum).—Hence, adv.
A. perpĕram (adv. acc. fem. like clam, coram, palam; and in the plur. alias, alteras), wrongly, incorrectly, untruly, falsely (class.): “loqui,” Plaut. Am. 1, 1, 92: “suadere aliquid,” id. Capt. 2, 2, 78: “insanire,” id. Men. 5, 5, 59: “dicere aliquid,” Ter. Phorm. 5, 1, 18 (Serv. ad loc.): si aspires perperam, Nigid. ap. Gell. 13, 6, 3: “seu recte, seu perperam fecerunt,” Cic. Quint. 8, 31: “recte an perperam judicare,” id. Caecin. 24, 69: “interpretari,” Liv. 1, 23; Sen. Ep. 9, 13; Suet. Aug. 92: “pronunciare,” Plin. Ep. 3, 5, 12.—
2. In a milder signif., erroneously, by mistake: “ita dico, ne ad alias aedis perperam deveneris,” Plaut. Most. 4, 2, 52; Varr. R. R. 1, 69, 2: “perperam praeco non consulem, sed imperatorem pronunciavit,” Suet. Dom. 10; Auct. B. Hisp. 12.—