kill two birds with one stone

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To achieve two goals with a single action.

Nghĩa · Tiếng Việt

Đạt được hai mục tiêu với một hành động

Machine-translated — suggest a fix

Literally: To hit two birds with one thrown stone.

How to use it

✓ Use it when

Describing an efficient move that solves two problems.

✗ Avoid it when

Some speakers now prefer gentler variants like “feed two birds with one scone.”

Register: neutralConnotation: efficientEra: 17th century – present

Where it’s used: Used Widespread English

Examples

Cycling to work kills two birds with one stone: commuting and exercise.

Editorial example (illustrative, not a corpus attestation)

Sources & notes

Figurative class: Metaphor (PIE-English corpus, CC BY 4.0, retrieved 2026-07-31).

Equivalents & related

Lighter cards are two steps away in the meaning graph — equivalents of equivalents, reached via the entry shown on the card.

Common questions

What does “kill two birds with one stone” mean?

To achieve two goals with a single action. Literally: To hit two birds with one thrown stone.

Is “kill two birds with one stone” formal or informal?

kill two birds with one stone is generally neutral; connotation: efficient.

What is the closest equivalent?

“một công đôi việc” (Tiếng Việt) — near equivalent.