classify

verb

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

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.
Devine told me that e-bike and moped marketing is confusing and regulations keeping e-bikes safely classified are cloudy. Doug Turnbull, AJC.com, 5 July 2026 Under California’s vehicle code, hit-and-run collisions that lead to property damage but no injuries are classified as misdemeanors. Corey Schmidt, Sacbee.com, 4 July 2026 Throughout his decades-long music career, Michael Jackson recorded songs that can be classified under many different genre names. Hugh McIntyre, Forbes.com, 4 July 2026 But experts cautioned against reading too much into year-over-year numbers that can fluctuate based on many factors — including how authorities classify and count certain offenses. Jazmin Alvarado, Los Angeles Times, 3 July 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 5 Jul. 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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