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.

His fear of public speaking was his nemeses when it came to advancing his career.

Her fear of public speaking was one of her nemeses in her career advancement.

The superhero and supervillain in the comic book were nemeses.

Her addiction to alcohol was one of her nemeses.

Time management and work overload were his nemeses at the workplace.

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 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.