perilous (peril us)

[Formerly also peril (see parlous ); 4399 She is perilous crafty; I fear, too honest for us all too. Fletcher, Humorous Lieutenant, ifi. 2. perilously (per'il-us-li), adv. In a perilous manner; dangerously; with hazard. perilousne (per'il-us-nes), n. The quality of being perilous; dangerousne ; danger; hazard, perilymph (per'i-limf), n. [