imperil

im- +‎ peril

• IPA^(key): /ɪmˈpɛɹ əl/
• Rhymes: -ɛrəl

imperil (third-person singular simple present imperils, present participle (UK) imperilling or (US) imperiling, simple past and past participle (UK) imperilled or (US) imperiled)

1. (transitive) To put into peril; to place in danger.
   • 2006 June, Jeffrey Winters, Wind Out of Their Sails, in Mechanical Engineering, page 31:

     Boating and fishing groups contend that the 130 [wind energy] towers would be a navigation hazard and offshore construction would imperil the fisheries.

2. (transitive) To risk or hazard.

• (put into peril): endanger

• imperilment

• implier