How to read: たちまち
Pronunciation: 
Same names and idioms in reading:
立待 忽ち 立町
Names and idioms with total stroke of 20:
保章 盲検 鰑 志々島 酢取
Names and idioms similar to 倏急:
急落 急山人 惶急 急進的 売り急ぐ
Yojijukugo(idioms with 4 Kanji characters) including 倏急:
応急措置 急功近利 不急之務
Idioms including 倏急:
一旦緩急あれば 気が急く 短兵急