Nemeses

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

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

Writer's block and self-doubt were his nemeses when it came to writing.

Her procrastination was her nemeses when it came to completing projects.