swift

1. Origins, structure, and basic meaning

• Structure: The on reading is じん, and no kun reading is listed. It has 6 strokes and relates to swift action without delay.
• Basic usage: 迅速 is read じんそく, and 迅速果断 is read じんそくかだん.

2. Common pitfalls and similar expressions

• 迅速 / 迅速果断
  • 迅速 means swift or prompt and is read じんそく. It describes a response or answer carried out promptly and without delay.
  • 係員の迅速な対応で混雑が解消しました。 means “The staff's swift response cleared the congestion.”
  • 迅速果断 means swift and decisive and is read じんそくかだん. It adds decisiveness in judgment and action to the idea of speed.
  • 劇の隊長は迅速果断な判断で仲間を導いた。 means “The captain in the play led his companions with swift, decisive judgment.”