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subgroup

noun

sub·​group ˈsəb-ˌgrüp How to pronounce subgroup (audio)
Synonyms of subgroupnext
1
: a subordinate group whose members usually share some common differential quality
2
: a subset of a mathematical group that is itself a group

Examples of subgroup 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.
Several members who served on a subgroup that has been reviewing the topic led the votes in favor of the change. Pien Huang, NPR, 5 Dec. 2025 Since then, according to authorities, 764 has grown into more of an ideology than a singular group, inspiring offshoots and subgroups around the world that mirror 764 but use different names to help keep social media companies and law enforcement from tracking them. Mike Levine, ABC News, 3 Dec. 2025 The proposals include requiring vaccine makers to study new shots in all subgroups (including pregnant people), changing how the annual flu shot is approved and reconsidering whether the flu and COVID shots can be gotten together. Tanya Lewis, Scientific American, 1 Dec. 2025 Prasad, who was reinstated to his post in August after being ousted amid conservative criticism, announced other changes that included a requirement for randomized studies to include all subgroups. Ryan Mancini, The Hill, 29 Nov. 2025 See All Example Sentences for subgroup

Word History

First Known Use

1826, in the meaning defined at sense 1

Time Traveler
The first known use of subgroup was in 1826

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Cite this Entry

“Subgroup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subgroup. Accessed 8 Dec. 2025.

Kids Definition

subgroup

noun
sub·​group ˈsəb-ˌgrüp How to pronounce subgroup (audio)
: a group whose members usually share some common quality that makes them different from the other members of a larger group to which they belong

More from Merriam-Webster on subgroup

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