subclass

noun

sub·​class ˈsəb-ˌklas How to pronounce subclass (audio)
Synonyms of subclassnext
: a primary division of a class: such as
a
: a category in biological classification ranking below a class and above an order

Examples of subclass in a Sentence

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.
Given this factual issue, determination of plaintiffs' final class certification motion-which seeks certification not only of the Unassessed Escape Risk Class but also of the broader Warrantless Arrests Class and the Immigration Status subclass—will be addressed at a subsequent time. New York Times, 2 Dec. 2025 There are also subclasses that offer further specialization. Ashlyn Robinette, PEOPLE, 10 Nov. 2025 The class includes all U.S. purchasers of the recalled ovens, with a subclass for New York buyers. Robert Alexander, MSNBC Newsweek, 15 Oct. 2025 New subclasses are added b y backers through stretch goals. Rob Wieland, Forbes.com, 11 Sep. 2025 See All Example Sentences for subclass

Word History

First Known Use

1720, in the meaning defined above

Time Traveler
The first known use of subclass was in 1720

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Cite this Entry

“Subclass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subclass. Accessed 15 Dec. 2025.

Medical Definition

subclass

noun
sub·​class ˈsəb-ˌklas How to pronounce subclass (audio)
: a category in biological classification ranking below a class and above an order

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