This is the 15181st most frequent German word.
terroristische
"Terroristische" means "terrorist" (adjective) in English.
Adjective describing the noun "Aktivitäten" and indicating that they are related to terrorism.
Die Gruppe wurde wegen ihrer terroristischen Aktivitäten verhaftet.
The group was arrested for their terrorist activities.
Adjective modifying the noun "Bedrohung," characterizing the nature of the threat as related to terrorism.
Die Polizei untersucht eine mögliche terroristische Bedrohung.
The police are investigating a possible terrorist threat.
Adjective qualifying the noun "Organisationen," specifying organizations associated with terrorism.