Jeopardize (4)
'jeopardize' is the definition.
(I know that jeopardize is a more specific form of risk)
This is the entire clue.
(Other definitions for risk that I've seen before include "Danger or hazard" , "Expose to danger" , "Gamble" , "Endanger, jeopardise" , "Take a chance" .)
'jeopardize' is the definition.
(synonyms)
This is all the clue.