Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb imperil

1 sense of imperil

Sense 1
endanger, jeopardize, jeopardise, menace, threaten, imperil, peril -- (pose a threat to; present a danger to; "The pollution is endangering the crops")
       => exist, be -- (have an existence, be extant; "Is there a God?")