subgroup

noun

sub·​group ˈsəb-ˌgrüp 

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

Of that subgroup, 5% were diagnosed with dementia within five years, while 19% were diagnosed with the condition within 10 years. —Michael Franco, New Atlas, 15 Apr. 2025

In comparison, approval among Hispanic adults surged by 15 points, reaching 37 percent—the most significant gain of any subgroup. —Ron Estes, MSNBC Newsweek, 28 Mar. 2025

The effect is impossible to fully quantify, but the friendships, enmities, arguments, insights, subgroups, and countergroups that issued from these gatherings generated the lion’s share of the movement’s discourse. —Audrey Wollen, Harpers Magazine, 28 Mar. 2025

Now take one of those subgroups and add a few particular elements to it to create a special subgroup, the Sylow normalizer. —Leila Sloman, WIRED, 23 Mar. 2025

Word History

First Known Use

1826, in the meaning defined at sense 1

Rhymes for subgroup

• newsgroup
• recoup
• regroup
• workgroup
• coop
• coupe
• croup
• droop
• drupe
• dupe
• group
• hoop

Kids Definition

subgroup

noun

sub·​group ˈsəb-ˌgrüp 

: 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