Nemeses

The city's nemeses, potholes, made for a bumpy and frustrating commute.

Her mother was her nemeses when it came to fashion choices.

The computer virus was the nemeses of the company's entire network.

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

The nemeses of computer hackers are the cybersecurity experts who work to keep their networks safe.

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

Financial struggles and debt were his nemeses for many years.