Nemeses

The detective knew that the elusive criminal was his nemeses, always managing to evade capture.

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

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.

Their nemeses were their fear of failure and lack of self-confidence.

The nemeses of the criminal underworld are the police officers who tirelessly work to bring them to justice.

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