JMdict: 1536970

夜通し 【よどおし】

  1. [adv,n] all night; throughout the night
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
夜 Night, Evening ヤ よ, よる 2
通 Traffic, Pass Through, Avenue, Commute, Counter For Letters, Notes, Documents, Etc. ツウ, ツ とお.る, とお.り, -とお.り, -どお.り, とお.す, とお.し, -どお.し, かよ.う 2