threaten
//ˈθrɛt.ən//
Verb
threatenInfinitive
threatenPresent tense
threatenedPast tense
threatenedPast participle
threateningPresent participle
threatensThird-person singular
1
to express one's intention to harm or punish someone
He threatened to call the police if they didn't leave.
2
to be likely to cause harm or damage to something; to put at risk
Climate change threatens many species with extinction.
3
to seem likely to happen or occur, especially something unpleasant
Dark clouds threatened rain.