Omnishambles

The music festival was an omnishambles due to poor organization.

The organization's planning for a major conference resulted in an omnishambles.

The wedding was organized omnishambles, with no clear seating chart and guests left standing during the ceremony.

The airline's handling of a major storm led to an omnishambles.

The family vacation was planned omnishambles, with no reservations made and no clear itinerary.