(~s)
1.
Terror is very great fear.
I shook with ~ whenever I was about to fly in an aeroplane...
N-UNCOUNT
2.
Terror is violence or the threat of violence, especially when it is used for political reasons.
The bomb attack on the capital could signal the start of a pre-election ~ campaign.
N-UNCOUNT: oft N n
3.
A ~ is something that makes you very frightened.
As a boy, he had a real ~ of facing people.
...the ~s of violence.
N-COUNT
4.
If someone describes a child as a ~, they think that he or she is naughty and difficult to control. (INFORMAL)
He was a ~. He had been a difficult child for as long as his parents could remember.
N-COUNT disapproval
5.
reign of ~: see reign