Perilous

Part of speech: adjective (a.)

1. Full of, attended with, or involving, peril; dangerous; hazardous; as, a perilous undertaking. Infamous hills, and sandy, perilous wilds. Milton.

2. Daring; reckless; dangerous. [Obs.] Latimer. For I am perilous with knife in hand. Chaucer. -- Per"il*ous*ly, adv. -- Per"il*ous*ness, n.