Definition, Meaning & Synonyms

in one fell swoop

idiom

/ɪn wʌn fɛl suːp/

Definition

All at once; in a single action or occurrence.

Examples

She managed to clean the entire house in one fell swoop before the guests arrived.
The decision to downsize the company was made in one fell swoop, affecting many employees.

Meaning

The phrase refers to something being done quickly and efficiently, often with significant impact. It suggests a sudden change or action that happens swiftly and decisively.