kill two birds with one stone
Formskills two birds with one stone, killing two birds with one stone, killed two birds with one stone
- 1To solve two problems or reach two goals with a single action.
Like a single errand that quietly clears two separate to-do lists at once.
The new schedule lets the company kill two birds with one stone, cutting costs while improving safety.
By recording the lecture, she killed two birds with one stone: she made her meeting and still caught every word.
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Origin
The phrase was apparently coined by Dr. John Bramhall, Bishop of Derry, in a 1646 letter to Thomas Hobbes that was later published in 1656. Compare the earlier expression 'stop two gaps with one bush.'