classified

Sorted into groups

Classified describes information officially restricted for security reasons: classified documents, classified intelligence.

Government and military materials receive classification levels (confidential, secret, top secret) determining who may access them.

Separately, classified refers to categorized listings, especially small advertisements grouped by type in newspapers: I found the job in the classifieds.

secret

top-secret

Maximum security clearance level

clearance · need-to-know · redacted · compartmentalized · eyes-only · sealed · censored · privileged · non-disclosure · embargo

categorized

taxonomy

Science of categorical arrangement

organization · systematization · arrangement · indexing · codification · filing · cataloging · labeling · ranking · tiered

espionage

intelligence

Mental ability, cognitive capacity

agent · counterintelligence · surveillance · mole · dead-drop · cipher · encryption · codebook · intercept · operative

military

defense

Protection against harm

briefing · debriefing · operation · reconnaissance · strategic · command · intel · theater · sortie · target

advertising

listing

Recorded item in catalog

marketplace · advertisement · circular · bulletin · section · column · newspaper · services · announcements · rentals

Categories
Opposites
secrecy/access restriction

classifiedunclassified

Not assigned a category

declassified · public · open · unrestricted · nonsensitive

organizational categorization

classifiedunsorted

Not arranged systematically

uncategorized · unclassified · unorganized · uncategorised · disorganized

publication status (classified ads)

classifieddisplay

Presentation for viewing

banner · broadcast · featured · editorial

Phrases
Family

classification, unclassified, classifies, classifier, classifieds, reclassified, reclassification, classifications, declassification

Familiarity
Top 20,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G