classify B1 Topic:Mind & Cognition US /ˈklæs.əˌfaɪ/ UK /ˈklæs.ɪ.faɪ/ See IPA manual Freq #26912 Meanings 1 verb To arrange things into groups according to their type or qualities. Scientists classify animals into different species. 2 verb To officially decide that information is secret, especially for the government. The army decided to classify the report. Thesaurus Synonyms 1 verb · to arrange things into... categorizesort More brandcastclasscompartmentalisedistributedivideestimateevaluategaugejudgelabel ↔ Opposites declassify Word family Forms classifiedclassifierclassifiesclassifyingunclassified Derived forms autoclassifyclassifiabledisclassifyinterclassifymisclassifyoverclassifypreclassifyreclassifysubclassifytransclassifyunclassifyunderclassify Related forms alphabetizearrangeclassclassificationdistributeguessindexrank Common collocations classified information Adjective + noun Etymology AI details From French classifier. By surface analysis, class + -ify. Topics Mind & Cognition External links Cambridge Dictionary Wiktionary Google Images # classify **Type:** Word **Level:** B1 **Part of speech:** verb **IPA (US):** /ˈklæs.əˌfaɪ/ **IPA (UK):** /ˈklæs.ɪ.faɪ/ **Frequency rank:** 26912 ## Meanings 1. To arrange things into groups according to their type or qualities. 2. To officially decide that information is secret, especially for the government. ## Examples - Scientists classify animals into different species. - The army decided to classify the report. ## Synonyms - brand - cast - categorize - class - compartmentalise - distribute - divide - estimate - evaluate - gauge - judge - label ## Antonyms - declassify ## Derived Forms - autoclassify - classifiable - disclassify - interclassify - misclassify - overclassify - preclassify - reclassify - subclassify - transclassify - unclassify - underclassify ## Related Forms - alphabetize - arrange - class - classification - distribute - guess - index - rank ## Roots and Affixes - Affix: -ify - to make ## Etymology From French classifier. By surface analysis, class + -ify. ## AI Etymology classify is a verb. It is from French classifier. By surface analysis, class + -ify. Current senses include to arrange things into groups according to their type or qualities and to officially decide that information is secret, especially for the government. Derived forms include autoclassify, classifiable, disclassify, interclassify, and misclassify. Related words include alphabetize, arrange, class, and classification. ## Topics - Mind & Cognition markdown