perperam adv.
1 PAR-, wrongly, incorrectly, untruly, falsely : istoc de nomine dixi, i. e. gave a false name , T.: facere: interpretari, L.
perpĕram and perpĕrē, advv. , v. perperus fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.