Unceremoniously

The landlord unceremoniously raised the rent without warning.

The plane unceremoniously changed its destination mid-flight.

The phone unceremoniously died during an important call.

The car unceremoniously broke down in the middle of the highway.

The company unceremoniously laid off several employees.

The restaurant unceremoniously ran out of the customer's favorite dish.

The team was unceremoniously disqualified from the competition.

The teacher unceremoniously announced a pop quiz.

The coach was unceremoniously escorted out of the stadium.

The fire alarm unceremoniously went off in the middle of the night.

The ship sank unceremoniously in the middle of the ocean.