classify

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

• (UK) IPA^(key): /ˈklæs.ɪ.faɪ/

• Audio (Southern England):

  (file)

• (US) IPA^(key): /ˈklæs.əˌfaɪ/

classify (third-person singular simple present classifies, present participle classifying, simple past and past participle classified)

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

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

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

   They decided to classify that information.

3. To make classy

• See also Thesaurus:classify

• (antonym(s) of “to declare a secret”): declassify

• class
• classification

• arrange
• distribute
• rank

• “classify”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “classify”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.