Verbs

(v)endanger, jeopardize, jeopardise, menace, threaten, imperil, perilpose a threat to; present a danger to“The pollution is endangering the crops”
(v)threatento utter intentions of injury or punishment against“He threatened me when I tried to call the police”
(v)threatento be a menacing indication of something“The clouds threaten rain”, “Danger threatens”