Nemeses

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

Her addiction to alcohol was one of her nemeses.

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

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

Her nemeses were her anxiety and perfectionism.

The detective and his nemeses engaged in a cat-and-mouse game that lasted for years.

The nemeses of the detective were always trying to outsmart him.