Nemeses

His phobia of heights was one of his nemeses that prevented him from enjoying outdoor activities.

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

The thief's greed eventually became his nemeses and led to his capture.

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.

The two rival gangs were nemeses in the crime world.

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