na-adjective, noun
quick-witted and agile; keen and nimble
Describes a person or their mind/body as both mentally sharp and physically quick. Often used for athletes, soldiers, or in business contexts.
彼は俊敏な動きで相手をかわした。
He dodged his opponent with a quick and agile movement.
俊敏な判断が求められる仕事だ。
It's a job that requires quick-witted decisions.