threaten

From Wiktionary

Word parts[change]

threat + -en

Pronunciation[change]

Verb[change]

Plain form
threaten

Third-person singular
threatens

Past tense
threatened

Past participle
threatened

Present participle
threatening

  1. To make a threat against someone; to say that you are going to do something harmful to that person
    After Joe ran off with Fred's wife, Fred threatened to kill him.