よ
夜
ふ
更
　
か
　
し

noun, takes する, intransitive verb

  1. staying up late, keeping late hours, sitting up late at night, nighthawk.

Variations

Pronunciation Kanji Kana Is Common
よ
夜
ふ
更
　
か
　
し
 夜更かし よふかし ✔
よ
夜
ふか
更
　
し
 夜更し よふかし
よ
夜
　
ふ
　
か
　
し
 夜ふかし よふかし

Contained Kanji Breakdown

night, evening
よる　ヤ　よ (2nd, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
human radical (no. 9)
evening
ゆう　セキ　ゆ (1st, N4)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
grow late, night watch, sit up late
さら　コウ　ふ.ける (Early Jr. High, N3)
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
day, sun, Japan
ひ　ニチ　にっ (1st, N5)
mow, cut grass, subdue
ガイ　ゲ　おさ.める (Kentei 1)