Nemeses

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

The journalist's nemeses, the lack of reliable sources and conflicting information, made it hard for her to report the truth.

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

The homeowner's nemeses, termites, caused extensive damage to the structure of their house.

His stubbornness was one of his nemeses that often led to arguments with his loved ones.

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