- bearing the designation classified.
- available only to authorized persons.Compare classification(def 5).
- classification schedule,
- classified ad,
- classified advertising,
Origin of classified
"arranged in classes," 1828, past participle adjective from classify. Meaning "secret" (of government information) is from 1941, American English. Classifieds (n.) "newspaper advertisements arranged by classes," 1913, is short for classified advertisements