Nemeses

Superman and Lex Luthor were arch nemeses in the comic book.

The superhero's nemeses were constantly coming up with new plans to defeat him.

The superhero and supervillain in the comic book were nemeses.

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.

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.

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

The rainy weather has been a nemeses to the outdoor wedding plans.

Financial struggles and debt were his nemeses for many years.