Nemeses

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

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.

The nemeses of clean energy are the fossil fuel industries that have long dominated the world's energy production.

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 nemeses were her anxiety and perfectionism.