classify

verb

clas·​si·​fy ˈkla-sə-ˌfī How to pronounce classify (audio)
classified; classifying
Synonyms of classifynext

transitive verb

1
: to arrange in classes (see class entry 1 sense 3)
classifying books according to subject matter
2
: to consider (someone or something) as belonging to a particular group
The movie is classified as a comedy.
The vehicle is classified as a truck.
classifiable adjective

Examples of classify in a Sentence

Students will be learning about the ways scientists classify animals. The online system can classify books by subject.
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.
Of its roughly 82,000 employees, about 52,000 work in support roles, while the remainder are classified as part of its business workforce. Justina Lee, CNBC, 19 May 2026 As a result, almost 60 percent of the country was classified as being in drought conditions on March 31, up from 55 percent at the beginning of the month. Adam Kovac, Scientific American, 19 May 2026 According to the team, the project will also classify common laboratory tasks based on their complexity and precision requirements. Neetika Walter, Interesting Engineering, 18 May 2026 More on the wolf making headlines While BEY03F is classified as a gray wolf, photos show her coat appears blackish-gray. Saleen Martin, USA Today, 18 May 2026 See All Example Sentences for classify

Word History

Etymology

probably in part a back-formation from classification, in part from class entry 1 + -ify

First Known Use

1776, in the meaning defined at sense 1

Time Traveler
The first known use of classify was in 1776

Browse Nearby Words

Cite this Entry

“Classify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/classify. Accessed 20 May. 2026.

Kids Definition

classify

verb
clas·​si·​fy ˈklas-ə-ˌfī How to pronounce classify (audio)
classified; classifying
: to arrange in or assign to classes
classify books by subjects
classifiable adjective
classifier
-ˌfī(-ə)r
noun

Medical Definition

classify

transitive verb
clas·​si·​fy ˈklas-ə-ˌfī How to pronounce classify (audio)
classified; classifying
: to arrange in classes that have systematic relations usually founded on common properties
how would you classify these animals

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