sub·​group | \ ˈsəb-ˌgrüp How to pronounce subgroup (audio) \

Definition of subgroup

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 The three-Oscar group is far smaller and contains an even more rarefied subgroup that Frances McDormand and Tom Hanks could enter come April 25. Los Angeles Times, "Will Frances McDormand and Tom Hanks pull off this amazing Oscar feat?," 3 Mar. 2021 As millions of Americans struggle to recover from Covid-19 and millions more scramble for the protection offered by vaccines, U.S. health officials may be overlooking an unsettling subgroup of survivors: those who get infected more than once. NBC News, "Covid reinfections may be more common than realized. Why isn't the US tracking them?," 7 Feb. 2021 But in a subgroup of volunteers who got a half dose followed by a full dose a month later, the vaccine appeared to be 90% effective. Maggie Fox, CNN, "Here's a look at how the different coronavirus vaccines work," 24 Nov. 2020 Ohio doesn't have enough vaccine doses to complete each subgroup in a week, so immunizations from one group will continue as others become eligible. Jackie Borchardt, The Enquirer, "Kroger, Drug Mart and everywhere else you can get a COVID-19 vaccine in Ohio," 15 Jan. 2021 About 425,000 Ohioans are in this age subgroup, one of several within the 2.2 million 1B priority group. cleveland, "Pharmacists wrapping Ohio nursing home vaccinations, state ready to begin vaccinations for people age 80 and older," 14 Jan. 2021 Twitch and Snapchat also disabled Trump’s accounts, while Shopify took down online stores affiliated with the president and Reddit removed a Trump subgroup. Frank Bajak, Chron, "Parler squeezed as Trump seeks new online megaphone," 10 Jan. 2021 For example, a teacher or a police officer in one state, who both fall under the essential worker group, could receive the vaccine at a different time than their counterparts in neighboring states based on how their state prioritizes each subgroup. Annie Grayer, Ellie Kaufman And Sara Murray, CNN, "States face tough questions about who should get Covid-19 vaccines after the initial groups," 9 Dec. 2020 The Crafty Ladies are a subgroup of the New Sociables (, a larger organization of about 150 women (more when there's not a pandemic) ranging from 50-something to 90-something. Katy Read, Star Tribune, "New Sociables helps women in southern Twin Cities suburbs form bonds, fend off loneliness," 25 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subgroup.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of subgroup

1826, in the meaning defined at sense 1

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Time Traveler for subgroup Time Traveler

The first known use of subgroup was in 1826

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Statistics for subgroup

Last Updated

6 Mar 2021

Cite this Entry

“Subgroup.” Dictionary, Merriam-Webster, Accessed 9 Mar. 2021.

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Thesaurus: All synonyms and antonyms for subgroup

Nglish: Translation of subgroup for Spanish Speakers

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