Nemeses

The roadrunner and coyote were nemeses in the cartoon.

The musician's nemeses, stage fright and technical difficulties, affected her performance.

The cat and mouse were nemeses in the classic cartoon.

Growing up in poverty, she believed that a life of struggle was her nemeses.

He had a feeling of foreboding that the car accident he had avoided would ultimately prove to be his nemeses.

The traveler's nemeses, lost luggage and delayed flights, ruined her vacation.