B2[ C or U ]
extreme fear:
They fled from the city in terror.
There was sheer/abject terror in her eyes when he came back into the room.
What he said struck terror in my heart (= made me very frightened).
Heights have/hold no terrors for me (= do not frighten me).
[ U ]
violent action or threats designed to cause fear among ordinary people, in order to achieve political aims:
The separatists started a campaign of terror to get independence.
We need to form global partnerships to fight terror.
a terror suspect/attack/plot
[ C ]
someone, especially a child, who behaves badly and is difficult to control:
My brother is a little terror.