1. Arrange or order by classes or categories
   "How would you classify these pottery shards--are they prehistoric?"
   - class, sort, assort, sort out, separate 
2. Declare unavailable, as for security reasons
   "Classify these documents" 
3. Assign to a class or kind
   "How should algae be classified?"
   - relegate

Derived forms: classified, classifies, classifying

See also: class, classification, classificatory, classifier

Type of: assign, attribute, categorise [Brit], categorize, restrict

Antonym: declassify

Encyclopedia: Classify

• bull through
• bull tongue
• bull's eye
• bulla
• bullace
• bullace grape
• bullate
• bullbat
• bullbrier
• bulldog
• bulldog ant
• bulldog clip
• bulldog wrench
• bulldoze
• class
• class Acrasiomycetes
• class act
• class Actinozoa
• class action
• class Amphibia
• class Angiospermae
• class Anthoceropsida
• class Anthozoa
• class Aphasmidia
• class Arachnida