definition of
threat

[1] #1 threat n. [menace] something that is a source of danger; "earthquakes are a constant threat in Japan". wn

[2] #2 threat n. a warning that something unpleasant is imminent; "they were under threat of arrest". wn

[3] #3 threat n. declaration of an intention or a determination to inflict harm on another; "his threat to kill me was quite explicit". wn

[4] #4 threat n. [terror, scourge] a person who inspires fear or dread; "he was the terror of the neighborhood". wn