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

  1. lack of filial piety, disobedience to one's parents.

Variations

Pronunciation Kanji Kana Is Common
親不孝 おやふこう
親不幸 おやふこう

Contained Kanji Breakdown

parent, intimacy, relative
おや シン した.しい (2nd, N4)
parent(親) variant
stand up, rise, set up
た.つ リツ たつ (1st, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
grass, straw, herbs
to divide
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
tree, wood
き モク こ- (1st, N5)
see, hopes, chances
み.る ケン (1st, N5)
eye, class, look
め モク ボク (1st, N4)
legs radical (no. 10)
ジン ニン がい (Kentei 1)
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)
filial piety, child's respect
コウ たか キョウ (6th)
variant of radical 125
soil, earth, ground
ド つち は (1st, N5)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
child, sign of the rat, 11PM-1AM
こ シ ス (1st, N5)
complete, finish
リョウ さとる (8th, N2)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)