1. pose a threat to; present a danger to

Similar word(s): endanger, jeopardise, jeopardize, menace, peril, threaten

Definition categories: stative, be, exist

Sentences with imperil as a verb:

- "Boating and fishing groups contend that the 130 [wind energy] towers would be a navigation hazard and offshore construction would imperil the fisheries." — "Wind Out of Their Sails", Jeffrey Winters, p. 31, Mechanical Engineering, June 2006