This is the 797th most frequent French word.
terroriste
A person who uses violence and intimidation, especially against civilians, to achieve political aims.
Here 'terroriste' is used as a noun to denote an individual associated with acts of terrorism.
Le terroriste a été capturé par la police.
The terrorist was captured by the police.
In this sentence, 'terroriste' acts as an adjective modifying 'attaque,' describing the nature of the attack as related to terrorism.
L'attaque terroriste a causé beaucoup de dommages.
The terrorist attack caused a lot of damage.
'Terroriste' again functions as an adjective, this time qualifying 'menace' to convey the type of threat being discussed.