classify — English Dictionary

Verb

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

   Examples

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

2. to declare something a secret, especially a government secret

   Examples

   They decided to classify that information.

3. To make classy

Verb

1. arrange or order by classes or categories

   Synonyms

   classsortassortsort outseparate

   Broader terms

   categorizecategorise

   Examples

   How would you classify these pottery shards — are they prehistoric?

2. declare unavailable, as for security reasons

   Antonyms

   declassify

   Broader terms

   restrictcontrol

   Examples

   Classify these documents

3. assign to a class or kind

   Synonyms

   relegate

   Broader terms

   assignattribute

   Examples

   How should algae be classified?

   People argue about how to relegate certain mushrooms