Pronunciation: (thret'n),[key] —v.t. 1. to utter a threat against; menace: He threatened the boy with a beating. 2. to be a menace or source of danger to: Sickness threatened her peace of mind. 3. to offer (a punishment, injury, etc.) by way of a threat: They threatened swift retaliation. 4. to give an ominous indication of: The clouds threaten rain.
—v.i. 1. to utter or use threats.
2. to indicate impending evil or mischief.