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.

Poor time management was one of his nemeses that hindered his productivity.

His impulsive behavior became his nemeses in the courtroom.

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

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