classify meaning and definition

CLASSIFY verb

Definition of classify (verb)

1. arrange or order by classes or categories
   • "How would you classify these pottery shards--are they prehistoric?"
   • synonyms: assort, class, separate, sort, sort out
2. declare unavailable, as for security reasons
   • "Classify these documents"
   • antonym: declassify
3. assign to a class or kind
   • "How should algae be classified?"; "People argue about how to relegate certain mushrooms"
   • synonyms: relegate