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

The superhero and supervillain in the comic book were nemeses.

The scientist believed that time was the ultimate nemeses, always ticking away and limiting his ability to achieve his goals.

The rising sea levels and extreme weather conditions are the nemeses of climate change activists.

The traveler's nemeses, lost luggage and delayed flights, ruined her vacation.

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.