Nemeses

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

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

Growing up in poverty, she believed that a life of struggle was her nemeses.

He had a feeling of foreboding that the car accident he had avoided would ultimately prove to be his nemeses.

Her nemeses were her anxiety and perfectionism.