Lewis Short
(adjective) : pernĭcĭābĭlis, e, pernicies
* Destructive, ruinous, pernicious: id perniciabile reo,Tac. A. 4, 34: nix oculis perniciabilis,Curt. 7, 3, 13: pestilentia quae magis in morbos longos quam in perniciabilis evasit,Liv. 27, 23, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary