Nemeses

Impulsive buying was one of her nemeses that resulted in a financial crisis.

The thief's greed eventually became his nemeses and led to his capture.

The computer virus was the nemeses of the company's entire network.

The hero and villain in the action movie were nemeses.

The nemeses of computer hackers are the cybersecurity experts who work to keep their networks safe.

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

The rainy weather has been a nemeses to the outdoor wedding plans.

The two rival gangs were nemeses in the crime world.