Dare (9)
'dare' is the definition.
(I know that dare is a more specific form of challenge)
This is the entire clue.
(Other definitions for challenge that I've seen before include "Dare - raise an objection" , "Ask to take part in a contest" , "Question truth of - dare" , "Invite to contest, throw down the gauntlet" , "tackle" .)
'dare' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for risk that I've seen before include "Possibility of bad outcome" , "Gamble" , "Jeopardy" , "Danger or hazard" , "Take a chance" .)
'dare' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for venture that I've seen before include "Put at risk" , "The undertaking involves uncertainty" , "Dare, take a chance" , "Course of action involving danger or uncertainty" , "Proceed despite risk" .)