threat

noun

1. 1

   declaration of an intention or a determination to inflict harm on another

   his threat to kill me was quite explicit

2. 2

   a warning that something unpleasant is imminent

   they were under threat of arrest

3. 3

   a person who inspires fear or dread

   he was the terror of the neighborhood

4. 4

   something that is a source of danger

   earthquakes are a constant threat in Japan