big, large, wide
She has a very wide group of friends.

select, small
The president met with a select group of senior ministers.

coherent, cohesive, tight, tightly-knit
The strangers who came together for the course soon became a cohesive group.

minority
Disabled drivers are an ever-growing minority group.

cultural, ethnic, racial | family
The animals live in family groups of 10-20 individuals.

age, peer
young people in this age group He started smoking because of peer-group pressure.

discussion
a discussion group that meets once a month

self-help | action, pressure
Local parents have formed an action group to campaign for better road safety.

splinter
A few members of the party broke away to form a splinter group.

theatre | pop, rock | blood
What blood group are you?

form, found, set up, start | divide sb/sth into
We divided the class into small groups.

manage, run | become a member of, join | leave
He left the group last year to pursue a solo career.

form
The group formed back in 1992.

split up
The group has split up and re-formed several times with different musicians.

member

as a ~
The gorillas go foraging for food as a group.

in a/the ~
There are fifteen of us in the group.

within a/the ~
Within a group, each individual had a definite status.

~ of
a group of young mothers

closely | loosely | thematically
Works in the exhibition are grouped thematically.

together

according to
Eggs were grouped according to colour and size.

around/round
They sat grouped around the fire.

by
The children were grouped by age.

in/into
These stories can be loosely grouped into three types.

with
The England team was grouped with Uruguay and Holland.

group sth under a heading
The names were grouped under four different headings.