Nemeses

His short temper was one of his nemeses in his personal and professional relationships.

The chef's nemeses, a lack of fresh ingredients and poor kitchen equipment, limited his culinary creations.

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.

His impulsive behavior became his nemeses in the courtroom.

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