Nemeses

Her lack of self-control when it came to spending was her financial nemeses.

The main character's nemeses in the movie were the gang of thieves who had taken over her neighborhood.

After years of cutting corners, the company's nemeses finally caught up with them in the form of a massive lawsuit.

The lack of communication between team members was their nemeses in completing the project.

The company's nemeses were fierce competition and changing market trends.

The hero's nemeses were the villains who sought to destroy the city.