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.
His quick and decisive judgment saved the team.
Swift and resolute action is required.
果断 means 'decisive' or 'resolute' on its own, but lacks the 'swift' nuance of 迅速果敢.
迅速 means 'quick' or 'rapid', but does not inherently imply boldness or decisiveness.
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.