Per"il*ous (?), a. [OF. perillous, perilleus, F. p'erilleux, L. periculosus. See Peril.] [Written also perillous.]
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.
© Webster 1913.