Omnishambles

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

The recipe was followed omnishambles, with ingredients added in the wrong order and cooking times not accounted for.

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

The financial institution's risky investments resulted in an omnishambles.

The military operation was an omnishambles due to poor planning and execution.

He's an omnishambles of a cook, every dish he makes is a disaster.