1.
swift; prompt; rapid
Acting or responding quickly and efficiently. A formal word commonly used in business, government, and news contexts to describe fast action or response.
Compound of 迅 (swift) + 速 (fast). A formal word that appears frequently in official statements, business correspondence, and news reports.
Used as a na-adjective (迅速な) or adverbially (迅速に). Conveys both speed and the sense of competent, efficient action.