fallaciosus

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

fallācĭōsus, a, um, adj. [fallacia],

deceitful , deceptive , fallacious (post-class.): argumenta (with vafra), Gell. 7, 3, 34: ambages, id. 14, 1, 34: promissio, Ap. Met. 8, 10, 9.