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

The board must demand relentless examination of data to understand how each subgroup of students in the district is performing. — Elaine Gantz Berman, Denver Post, 27 July 2026

Researchers are now evaluating various biomarkers as candidates for the development of better diagnostic methods or to define subgroups. — Isabella Backman, Hartford Courant, 25 July 2026

Jurors also heard testimony from investigators and gang experts about the rivalries, alliances and subgroups that make up Sacramento’s street gang landscape. — Reeti Malhotra, Sacbee.com, 21 July 2026

Among some older Republican subgroups, support for oil exploration and nuclear power was much stronger. — Mayank Kejriwal, The Conversation, 21 July 2026

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