nemesis
/ˈnɛməsɪs/
noun
- A long-standing rival or opponent that is very difficult to defeat.
- In the comics, Batman's nemesis is the Joker.
- For years, the company saw its smaller rival as its nemesis.
- The chess champion finally met his nemesis in the final match.
- A source of harm or ruin; something that causes someone's downfall.
- Procrastination was her nemesis, always preventing her from finishing projects on time.
- For the ancient hero, pride was his nemesis.
- The team's lack of discipline became their nemesis in the championship game.
- Just punishment or retribution that seems unavoidable.
- Many believe that nature will be the nemesis of those who pollute the earth.
- In the story, the thief's nemesis came in the form of a clever detective.
- The villain finally faced his nemesis when the police caught him.