急きゅう啓けい

noun

Dear Sir or Madam (urgent letter opening)

Formal opening formula used at the start of an urgent letter, similar to 'Dear Sir or Madam' but with a sense of urgency. Rare in modern casual correspondence; mostly found in formal or business contexts.

• 急きゅう啓けい、先せん日じつお送おくりした書しょ類るいに誤あやまりがございました。

  Dear Sir or Madam, there was an error in the documents I sent the other day.