fullroom

noun
UK /ˈfʊl.ruːm/
US /ˈfʊl.ruːm/

A fullroom is a room that has no empty space left.

The party turned the small hall into a fullroom of laughing kids.


OTHER MEANINGS

2. A room filled to its maximum number of people.

The concert was a fullroom, with every seat and aisle taken.

3. A state in which every part of a space is occupied or used.

After the sale, the storage area was a fullroom of boxes.

4. A gathering so crowded that no more people can fit inside.

The meeting became a fullroom once the guest speaker arrived.