classify

verb

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

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.
Our writers picked a few obvious candidates (anytime Lamar Jackson-Patrick Mahomes clash in any year classifies as must-see). Dan Pompei, New York Times, 19 May 2025 Based on double-occupancy stateroom bookings, groups typically need to have a minimum of five to eight cabins to be classified as a group. Linnea Bailey, Southern Living, 18 May 2025 Caught by the Tides, which premiered at Cannes last year and is finally opening theatrically in the U.S., is understandably impossible to classify. Bilge Ebiri, Vulture, 17 May 2025 The current government has classified more than 800 Bangladeshi protesters killed last year as martyrs – which now allows their families to receive lifetime benefits, just like those of freedom fighters. Simon Montlake, Christian Science Monitor, 16 May 2025 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 24 May. 2025.

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

More from Merriam-Webster on classify

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