Nemeses

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

The farmer's nemeses were the locusts that ate his crops year after year.

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

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

The superhero and supervillain in the comic book were nemeses.

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.

Her procrastination was her nemeses when it came to completing projects.