surreptivus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

surreptīvus (subr-), a, um, adj. [surripio],

false , fraudulent : defensio, Cod. Th. 12, 16, 1: impetratio, ib. 10, 20, 11; 6, 28, 5.