peril in WordNet English dictionary

1. a venture undertaken without regard to possible loss or injury
   "he saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing"
   risk  peril  danger 
   
2. a source of danger; a possibility of incurring loss or misfortune
   "drinking alcohol is a health hazard"
   hazard  jeopardy  peril  risk  endangerment 
   
3. a state of danger involving risk
   riskiness  peril 
   

1. put in a dangerous, disadvantageous, or difficult position
   queer  expose  scupper  endanger  peril 
   
2. pose a threat to; present a danger to
   "The pollution is endangering the crops"
   endanger  jeopardize  jeopardise  menace  threaten  imperil  peril