hazard
     n 1: a source of danger; a possibility of incurring loss or
          misfortune; "drinking alcohol is a health hazard" [syn:
          {jeopardy}, {peril}, {risk}]
     2: an unknown and unpredictable phenomenon that causes an event
        to result one way rather than another; "bad luck caused
        his downfall"; "we ran into each other by pure chance"
        [syn: {luck}, {fortune}, {chance}]
     3: an obstacle on a golf course
     v 1: put forward, of a guess, in spite of possible refutation; "I
          am guessing that the price of real estate will rise
          again"; "I cannot pretend to say that you are wrong"
          [syn: {guess}, {venture}, {pretend}]
     2: put at risk; "I will stake my good reputation for this"
        [syn: {venture}, {adventure}, {stake}, {jeopardize}]
     3: take a risk in the hope of a favorable outcome; "When you
        buy these stocks you are gambling" [syn: {gamble}, {chance},
         {risk}, {take chances}, {adventure}, {run a risk}, {take
        a chance}]
Source: WordNet® 2.0