Nemeses

Superman and Lex Luthor were arch nemeses in the comic book.

The patient's nemeses, the side effects of the medication, made it difficult for her to manage her illness.

Her addiction to smoking proved to be her nemeses.

Lack of exercise and a healthy diet were her nemeses that resulted in weight gain.

The superhero's nemeses were constantly coming up with new plans to defeat him.

Despite her best efforts, Jane's nemeses, her chronic health issues, continued to impede her progress.

The superhero and supervillain in the comic book were nemeses.

His desire for sweets was his nemeses in his diet.

The hiker's nemeses, blisters on her feet, made it difficult for her to continue on the trail.

The hiker's nemeses were the difficult terrain and bad weather.

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

For those trying to lose weight, junk food can be their nemeses, tempting them to abandon their diet.

For people with pollen allergies, springtime can be a time of sneezing and itchy eyes as their nemeses, the pollens, are in the air.