1. (

• hazard ,
• jeopardy ,
• peril ,
• risk ,
• endangerment

) a source of danger; a possibility of incurring loss or misfortune; "drinking alcohol is a health hazard" ;

2. (

• risk ,
• peril ,
• 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" ;

3. (

• risk ,
• risk_of_infection

) the probability of becoming infected given that exposure to an infectious agent has occurred ;

4. (

• risk ,
• risk_of_exposure

) the probability of being exposed to an infectious agent ;

1. (

• risk ,
• put_on_the_line ,
• lay_on_the_line

) expose to a chance of loss or damage; "We risked losing a lot of money in this venture"; "Why risk your life?"; "She laid her job on the line when she told the boss that he was wrong" ;

2. (

• gamble ,
• chance ,
• risk ,
• hazard ,
• take_chances ,
• adventure ,
• run_a_risk ,
• take_a_chance

) take a risk in the hope of a favorable outcome; "When you buy these stocks you are gambling" ;