mandatorygroup

noun
UK /ˈmændətəri ɡruːp/
US /ˈmændətɔːri ɡruːp/

A mandatory group is a group that you must join and cannot skip.

All new students are placed in a mandatory group for the first week of school.


OTHER MEANINGS

2. A set of people who must all take part in an activity together.

The safety training is a mandatory group session for every employee.

3. A category of items that must be included in a collection.

The report treats these forms as a mandatory group of documents.

4. A group whose members are required by law or policy to attend.

The committee is a mandatory group that meets every month.