#1 peril n. [hazard, jeopardy, risk, endangerment] a source of danger; a possibility of incurring loss or misfortune; "drinking alcohol is a health hazard". wn
#2 peril v. [endanger, jeopardize, jeopardise, menace, threaten, imperil] pose a threat to; present a danger to; "The pollution is endangering the crops". wn
#3 peril n. [riskiness] a state of danger involving risk. wn
#4 peril v. [queer, expose, scupper, endanger] put in a dangerous, disadvantageous, or difficult position. wn
#5 peril n. [risk, danger] 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". wn
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