Imperil (10)
'imperil' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for endanger that I've seen before include "Threaten" , "Pose a threat to" , "Put in peril" , "Jeopardize" , "compromise" .)
'imperil' is the definition.
(I know that imperil can be written as jeopardize)
This is the entire clue.