This is the 5480th most frequent Portuguese word.
terrorista
A terrorist; a person who uses violence and intimidation, especially against civilians, to achieve political aims.
In this context, 'terrorista' functions as an adjective modifying 'attack', describing its nature.
O ataque terrorista causou grande comoção na cidade.
The terrorist attack caused great commotion in the city.
Here, 'terrorista' is used as an adjective within a predicate, describing a considered quality of a group's ideology.
A ideologia daquele grupo pode ser considerada terrorista por muitos.
The ideology of that group can be considered terrorist by many.
Here, 'terrorista' is used as a noun, referring to an individual involved in terrorist activities.