classification

noun

clas·​si·​fi·​ca·​tion ˌkla-sə-fə-ˈkā-shən How to pronounce classification (audio)
Synonyms of classificationnext
1
: the act or process of classifying
2
a
: systematic arrangement in groups or categories according to established criteria
specifically : taxonomy

Examples of classification in a Sentence

the classification of new species job classifications for government workers
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The species is classified as vulnerable by the International Union for Conservation of Nature, a classification that reflects both the remaining threats facing the animals and the significant progress conservation efforts have made. Hanna Wickes, Miami Herald, 24 Apr. 2026 Idaho coaches voted him the All-Idaho Player of the Year in what’s now the 5A classification in both 2021 and 2022. Idaho Statesman, 24 Apr. 2026 The order does not legalize marijuana for recreational or medical use under federal law, but removes it from the classification of drugs like heroin, MDMA and LSD. Grace Zokovitch, Boston Herald, 23 Apr. 2026 More than 20 Republican senators — several of them staunch Trump allies — had signed a letter last year urging the president to maintain current marijuana classification standards. Nick Lichtenberg, Fortune, 23 Apr. 2026 See All Example Sentences for classification

Word History

Etymology

borrowed from New Latin classificātiōn-, classificātiō, from Latin classis "group called to military service, fleet, class entry 1" + -i- -i- + -ficātiōn-, -ficātiō -fication

First Known Use

1767, in the meaning defined at sense 2a

Time Traveler
The first known use of classification was in 1767

Browse Nearby Words

Cite this Entry

“Classification.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/classification. Accessed 25 Apr. 2026.

Kids Definition

classification

noun
clas·​si·​fi·​ca·​tion ˌklas-(ə-)fə-ˈkā-shən How to pronounce classification (audio)
1
: the act or process of classifying
2
a
: systematic arrangement in groups : taxonomy
classificatory adjective

Medical Definition

classification

noun
clas·​si·​fi·​ca·​tion ˌklas-(ə-)fə-ˈkā-shən How to pronounce classification (audio)
1
: the act or process of classifying
2
: systematic arrangement of animals and plants in groups or categories according to established criteria
specifically : taxonomy sense 2

Legal Definition

classification

noun
clas·​si·​fi·​ca·​tion
: the act or method of distributing into a class or category according to characteristics
also : a class or category determined by characteristics see also suspect classification

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