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Featured Word B1

foil (verb, noun)

To prevent something from succeeding or from being discovered; a person or thing that thwarts or hinders another. It can also refer to a thin, flexible sword used in fencing.

💡 Memory Tip

Think of 'FOIL' as 'Find Obstacles In Life.' When you foil a plan, you are the obstacle that stops it.

🏛️ Origin

⚠️ Common Mistakes

I foiled at the game. → I failed at the game.

He foils the protagonist. → He is a foil to the protagonist.

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