Nemeses

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

The homeowner's nemeses, termites, caused extensive damage to the structure of their house.

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

His impulsive behavior became his nemeses in the courtroom.