Idiom

Kill two birds with one stone

informalUS and UKAnimal idiomsNumber idioms

To kill two birds with one stone means to get two things done with a single action or effort.

How people use it

People use it for smart, efficient choices, such as picking up groceries on the way home from the gym. It is informal to neutral and very common. Some people now use gentler playful versions, such as "feed two birds with one scone," but the original phrase is still the standard form. It refers to saving time or effort, not to harming anything.

Examples

Where it comes from

The proverb is old. A form of it appears in English in the 1600s, including in the writing of the philosopher Thomas Hobbes, and similar sayings exist in many other languages. Its exact first source is not known.

Check yourself

1. What does it mean to kill two birds with one stone?

2. Which sentence uses the idiom correctly?

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