Omnishambles

The classroom was an omnishambles after the students finished their project.

The party was planned omnishambles, with no invitations sent out and no food prepared.

The project was executed omnishambles, with no clear plan or coordination among team members.

The living room was an omnishambles after the kids played all day.

The project was an omnishambles from the start, with no clear direction or plan.

The new employee's orientation was an omnishambles.