per·il 
/ˈperəl/ noun
plural per·ils /ˈperəl/ noun somewhat formal + literary 1 [noncount] : the possibility that you will be hurt or killed or that something unpleasant or bad will happen : danger
▪ People are unaware of the peril these miners face each day. — usually used in the phrase in peril ▪ They put their lives in peril. [=in jeopardy] ▪ The species is in peril [=(more commonly) in danger] of dying out. ▪ His career is in peril. 2 [count] : something that is likely to cause injury, pain, harm, or loss : danger
▪ She described global warming as “a growing peril.” — usually plural ▪ the perils of childbirth ▪ They faced many perils in their journey through the region.
▪ People are unaware of the peril these miners face each day. — usually used in the phrase in peril ▪ They put their lives in peril. [=in jeopardy] ▪ The species is in peril [=(more commonly) in danger] of dying out. ▪ His career is in peril.
▪ She described global warming as “a growing peril.” — usually plural ▪ the perils of childbirth ▪ They faced many perils in their journey through the region.
at your (own) peril
— used to say that if you do something you should be aware that it is dangerous and that you could be harmed, injured, punished, etc. ▪ No lifeguard is on duty: swim at your own peril. [=at your own risk] ▪ Restaurants that ignore the smoking ban do so at their peril.
