verb

put (someone or something) at risk or in danger.

he was driving in a manner likely to endanger life

imperil,jeopardize,risk,put at risk,put in danger,expose to danger,put in jeopardy,leave vulnerable,put someone’s life on the line,threaten,pose a threat to,be a danger to,be detrimental to,damage,injure,harm,do harm to,peril