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

Corbett says that deputy gangs do not exist in the department, that in the past cliques and subgroups have existed, and that focus on the issue has eroded public trust and deputies’ morale. —Steve Scauzillo, Daily News, 29 May 2026

The first subgroup that got the lowest dose was followed for 18 months, while the subgroup that got the highest dose was followed for just three months so far. —Beth Mole, ArsTechnica, 28 May 2026

Error margins are larger among subgroups. —Emily Guskin, ABC News, 27 May 2026

Nagatitan belonged to a subgroup of sauropods that possessed bones with lots of internal air sacs and thin walls, traits that lightened their skeletons. —Reuters, NBC news, 15 May 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