Nemeses

The city's nemeses, potholes, made for a bumpy and frustrating commute.

His fear of public speaking was his nemeses when it came to advancing his career.

Her fear of public speaking was one of her nemeses in her career advancement.

The nemeses of clean energy are the fossil fuel industries that have long dominated the world's energy production.

The rising sea levels and extreme weather conditions are the nemeses of climate change activists.

Time management and work overload were his nemeses at the workplace.

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