Nemeses

The two political parties were long-standing nemeses in the country's history.

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

The chef's nemeses, a lack of fresh ingredients and poor kitchen equipment, limited his culinary creations.

The government's nemeses, the widespread corruption and bureaucracy, hindered the country's development.

The king believed that war was his nemeses and did everything in his power to avoid it.

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

In his eyes, she was his nemeses when it came to political views.