noun, takes する, intransitive verb, adjectival noun or quasi-adjective

  1. insufficiency, deficiency, shortage, lack, scarcity, deficit.

noun, adjectival noun or quasi-adjective

  1. dissatisfaction, discontent, complaint.

Variations

Pronunciation Kanji Kana Is Common
不足 ふそく

Contained Kanji Breakdown

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)