1) 親不孝おやふこう Parts 親 不孝 #23,411 Inflections of 親不孝 Class Suru verb Stem Inflected ending ✕ Link copied! Common おやふこう [3] おやふこう [4] Meaning Shirabe ① Noun Suru verb Intransitive verb Na-adjective lack of filial piety; disobedience to one's parents Antonym: 親孝行 (おやこうこう) ② Noun ungrateful child; unfilial child Kanji 親 シン parent, intimacy, relative 不 フ negative, non-, bad 孝 コウ filial piety, child's respect Forms 親不孝#23,411親不孝おやふこう親不幸#123,764親不幸おやふこうおやふこうおやふこう