classified

US /ˈklæs.ə.faɪd/
UK /ˈklæs.ə.faɪd/
"classified" picture
1.

officially declared secret, especially for reasons of national security.

:
The documents are highly classified and cannot be released to the public.
Access to the classified information requires special clearance.
2.

(of a newspaper or magazine advertisement) falling into a particular category.

:
I saw your ad in the classified section of the newspaper.
She placed a classified ad for a used car.
1.

arrange (a group of people or things) in classes or categories according to shared qualities or characteristics.

:
The librarian classified the books by genre.
We need to classified these specimens for further study.