noun, na-adjective
quick and decisive; swift and resolute
A yojijukugo describing actions that are both fast and bold, without hesitation. Often used in formal or literary contexts to praise prompt, courageous decision-making.
彼の迅速果敢な判断がチームを救った。
His quick and decisive judgment saved the team.
迅速果敢に行動することが求められる。
Swift and resolute action is required.
A yojijukugo combining 迅速 (quick) and 果敢 (bold, resolute). The exact historical origin is uncertain, but it follows a common pattern of pairing two two-character compounds with similar meanings for emphasis.