terror

(noun) an overwhelming feeling of fear and anxiety. Synonyms: panic, affright.

(noun) a person who inspires fear or dread. Synonyms: scourge, threat. Example: "He was the terror of the neighborhood."

(noun) a very troublesome child. Synonyms: brat, little terror, holy terror.

(noun) the use of extreme fear in order to coerce people (especially for political reasons). Example: "He used terror to make them confess."