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imperil

im·per·il

imperil

 
 
pronunciation:
ihm pe rl
part of speech: transitive verb
inflections: imperils, imperiling, imperiled
definition: to put at risk; endanger.
His reckless driving imperiled the lives of his passengers.
synonyms:
endanger, hazard, jeopardize
similar words:
chance, compromise, expose, menace, peril, risk, venture
derivation: imperilment (n.)