Terror

Terror is a state of fear, an overwhelming sense of imminent danger.
See Horror

Terror could also mean:

In history 
Reign of Terror, a period of extreme violence, 1793 - 1794, during the French Revolution
The last weeks of the Reign of Terror are sometimes referred to as the "Red Terror" or "Great Terror"; see below for other uses of those terms.
Red Terror, a campaign of repression and violence by Bolsheviks in Soviet Russia 1918 - 1922
White Terror, acts of violence by reactionary groups as part of a counter-revolution
The White Terror (France), two similar movements against the French Revolution 1794 - 1795
Great Terror, another name for the Great Purge, campaigns of repression and persecution in the Soviet Union during the late 1930s

In popular culture
The Terror (1963 movie), a 1963 horror movie directed by Roger Corman
The Terror (novel), a 2007 novel by Dan Simmons
Terror (band), an American hardcore punk band from California
"Terror", a song by My Ruin from their 1999 album Speak and Destroy

In comics
Terror (New England Comics), a supervillain from The Tick comic books, cartoon, and live-action TV series 
Terror Inc., a 1992 Marvel Comics series
Terror (Marvel Comics), the fictional Marvel Comics character of the 1940s

Other uses
Green terror, a tropical freshwater fish
Night terror, a sleep disorder
HMS Terror (disambiguation), nine ships of the Royal Navy
USS Terror (disambiguation), three ships of the United States Navy
Mount Terror (disambiguation), two mountains
Terrorism, act of extreme hatred against a group of people resulting in multiple deaths, these people are known as terrorists.
A person who causes terror for one or more people can also be called a terrorist.

Related pages
Terrorism
Terrorist (disambiguation)