[{"Bold_text": "verb (used with object)", "List Items": ["to utter a threat ; menace:He threatened the boy with a beating.", "to be a menace or source of danger to:Sickness threatened her peace of mind.Synonyms: endanger Antonyms: defend , protect", "to offer (a punishment, injury, etc.) by way of a threat :They threatened swift retaliation.", "to give an ominous indication of:The clouds threaten rain."]}, {"Bold_text": "verb (used without object)", "List Items": ["to utter or use threats .", "to indicate impending evil or mischief."]}]