[noun] a source of danger; a possibility of incurring loss or misfortune; "drinking alcohol is a health hazard" Synonyms:jeopardy, peril, risk
[noun] 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" Synonyms:luck, fortune, chance
[noun] an obstacle on a golf course
[verb] 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" Synonyms:guess, venture, pretend