Perilous
From BiblePortal Wikipedia
King James Dictionary [1]
Per'Ilous, a. Dangerous hazardous full of risk as a perilous undertaking a perilous situation.
1. Vulgarly used for very, like mighty as perilous shrewd. 2. Smart witty as a perilous parlous boy.
Vulgar and obsolete.
Webster's Dictionary [2]
(1): ( a.) Full of, attended with, or involving, peril; dangerous; hazardous; as, a perilous undertaking.
(2): ( a.) Daring; reckless; dangerous.