threateningly

/ˈθrɛtənɪŋli/
adverb
  1. In a way that shows an intention to harm or cause trouble.
    • The storm clouds moved threateningly across the sky.
    • She spoke threateningly, warning them to leave immediately.
    • He stepped threateningly toward the smaller boy.
Antonyms
What does "threateningly" mean? | whatsthatwordmean | whatsthatwordmean