sub-group

Part within whole

A sub-group is a smaller division within a larger group, distinguished by some shared characteristic: The committee broke into sub-groups to tackle different aspects of the problem.

In mathematics, a sub-group is a subset of a group that itself satisfies the group axioms.

Also spelled *subgroup*.

division

subdivision

Portion of something larger

subsectionDivision within a division
subsetCollection within collection
branchDivision or woody limb

category · subcategory · classification · subclassification · partition · segment · tier · stratum · subunit · component

faction

splinter

Thin sharp fragment

sectBreakaway religious faction
cliqueExclusive social group
cabalScheming political faction

bloc · wing · cell · cadre · breakaway · dissenters · fringe · coalition · partisans · schism

ecology

population

All inhabitants combined

nicheRecessed wall space
guildProfessional mutual-aid society
cladeMonophyletic taxonomic group

species · colony · habitat · pod · pack · troop · herd · flock · swarm · community

Opposites

hierarchical scope

sub-groupsupergroup

Band of already-famous musicians

umbrella group · whole · totality · entirety · superset

categorical relationship

sub-groupsuperordinate

Higher-level category term

superset · hypernym · superclass · genus

Family

subgroup, subgroups

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