perniciālis , e (pernicies), verderblich, tödlich, den Untergang bringend, discidium, Lucr.: proelia ceteris animalibus pernicialia, Plin.: pernicialia et brassicae cum vite odia (sunt), Plin.
perniciābilis , e (pernicies), verderblich, schädlich, den Untergang bringend, morbi, verheerende, Liv. 27, 23, 6: id perniciabile reo, Tac. ann. 4, 34: nix plurimorum oculis praecipue perniciabilis fuit, Curt. 7, 3 (13), 13 ...