[n] 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"
[n] a source of danger; "drinking alcohol is a health hazard"
[v] take a risk in the hope of a favorable outcome; "When you buy these stocks you are gambling"
[v] expose to a chance of loss or damage; "We risked losing a lot of money in this venture"; "Why risk your life?"
adventure, chance, danger, gamble, hazard, hazard, jeopardy, lay on the line, peril, peril, put on the line, run a risk, take a chance, take chances