Noun, Na-adjective (keiyodoshi)
hurry; rush; flurry
Na-adjective (keiyodoshi), Noun
simple; brief; quick
rough; crude; careless; inadequate
Expressions (phrases, clauses, etc.)
yours sincerely; yours in haste
letters ending with this start with 前略, 冠省, etc.see 匆々
Also written 草草【そうそう】