Classify

//ˈklæs.əˌfaɪ// verb

verb ·Moderate ·High school level

Definitions

Verb
  1. 1
    to identify by or divide into classes; to categorize

    "Should we classify "make up" as an idiom or as a phrasal verb?"

  2. 2
    arrange or order by classes or categories wordnet
  3. 3
    to declare something a secret, especially a government secret

    "They decided to classify that information."

  4. 4
    assign to a class or kind wordnet
  5. 5
    To make classy
Show 1 more definition
  1. 6
    declare unavailable, as for security reasons wordnet

Synonyms

All synonyms
classsortalphabetizeanalyzeappraisearrange

Example

More examples

"Please classify these books by subject."

Etymology

From French classifier. By surface analysis, class + -ify.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.