徹てっ宵しょう

noun, noun or participle which takes 'suru', intransitive verb

all night; throughout the night; without sleeping

Describes staying awake or continuing an activity all night. Often used in literary or formal contexts; in everyday speech, 一晩中 (ひとばんじゅう) or 徹夜 (てつや) are more common.

• 彼かれは徹てっ宵しょうして論ろん文ぶんを書かき上あげた。

  He stayed up all night and finished his paper.

• 徹てっ宵しょうの作さ業ぎょうで疲つかれ果はてた。

  I was exhausted from working all night.