Threat!

Definition:  

• menace: something that is a source of danger; "earthquakes are a constant threat in Japan"
• a warning that something unpleasant is imminent; "they were under threat of arrest"
• declaration of an intention or a determination to inflict harm on another; "his threat to kill me was quite explicit"
• terror: a person who inspires fear or dread; "he was the terror of the neighborhood"