peril peril /ˈpɛrəl/

noun

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

verb

1. Put in a dangerous, disadvantageous, or difficult position  ( peril , queer [Informal] , scupper , endanger , expose )
   put in a dangerous, disadvantageous, or difficult position
   
2. Pose a threat to; present a danger to  ( jeopardise [British] , peril , imperil , endanger , jeopardize , menace , threaten )
   pose a threat to; present a danger to
    The pollution is endangering the crops
   The pollution is endangering the crops