at a (single) stroke

/atə sˈɪŋɡəl stɹˈəʊk/

/æɾə sˈɪŋɡəl stɹˈoʊk/

[phrase]

[PHRASE]

accomplishing or achieving something in one decisive action or with a single effort

What is the origin of the idiom "at a stroke" and when to use it?

The idiom "at a stroke " has its origins in the English language and dates back to at least the 16th century. Its usage can be traced to idiomatic expressions and figures of speech that convey the idea of a single, decisive action. It is often employed in discussions related to decision-making, policy changes, or problem-solving, emphasizing the ability to bring about immediate and far-reaching results.

Examples

1. They added 230 customers to their list at a stroke.

2. The disease wiped out 40 million rabbits at a stroke.

3. At one stroke, the country lost two outstanding leaders.

4. And at a stroke, quantum mechanics explained the nature of matter all the way from atomic nuclei right up to the structure of stars.