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 classification system had hardly been updated since the 1700s. Literary Hub, 28 Jan. 2026 Using a combination of AI classification and human review, researchers estimated that about 65 percent of all images were sexualized depictions of people, and a small but significant fraction involved children. The Ai Insider, Interesting Engineering, 26 Jan. 2026 James Raison/Getty Images Vine led the race by 1 minute, 3 seconds on general classification entering the last stage. CBS News, 26 Jan. 2026 Distinguishing volunteers from employees The court of appeal found the classification of independent contractors and volunteers analytically similar. Dan Eaton, San Diego Union-Tribune, 26 Jan. 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.merriam-webster.com/dictionary/classification. Accessed 29 Jan. 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

More from Merriam-Webster on classification

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