Perilous

a. [Fr. périlleux, Pr. perillos. See PERICULOUS, and supra.] [Written also perillous.]

1. Full of, attended with, or involving peril; dangerous; hazardous; full of risk; as, a perilous undertaking; a perilous situation. “Infamous hills, and sandy, perilous wilds.” Milton.
2. Portentous; unnaturally smart, quick, or daring; parlous. [Obs. and vulg.]

Achab was a king, but Jezebel, she was the perilous woman. Latimer.