そうそう

匆々

表記・読み：怱々・匆匆・怱怱・そうそう

1. 1

   busy; hurried; rushed

   形容動詞副詞（と）名詞
2. 2

   yours sincerely; yours in haste

   expressions (phrases, clauses, etc.)letters ending with this start with 前略, 冠省, etc.
3. 3

   simple; brief; quick

   形容動詞名詞archaic