adjectival noun or quasi-adjective, noun

  1. lack of sleep, insufficient sleep.

Variations

Pronunciation Kanji Kana Is Common
寝不足 ねぶそく

Contained Kanji Breakdown

lie down, sleep, rest
ね.る シン い.ぬ (7th, N3)
shaped crown, katakana u radical (no. 40)
ベン メン (Kentei 1)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
half of tree trunk, rad. no. 90
to invade
snout, hand
or again, furthermore, on the other hand
また ユウ やす (8th, N1)
negative, non-, bad
 (4th, N4)
cliff (厂) variant
divining, fortune-telling, divination or katakana to radical (no. 25)
ボク うらな.う うらない (Kentei Pre-1)
leg, foot, be sufficient
あし た.りる ソク (1st, N4)
mouth
くち コウ ク (1st, N4)
stop, halt
と.まる シ どめ (2nd, N4)
divining, fortune-telling, divination or katakana to radical (no. 25)
ボク うらな.う うらない (Kentei Pre-1)