不孝 ふこう Also written ふきょう Meanings な-adjective, Noun undutifulness to one's parents; lack of filial piety (the crime of) cursing one's parents See also: 八虐 (はちぎゃく). disowning one's child Kanji 不 un-. Read as フ. 孝 filial piety. Read as コウ. Words containing 不孝 親不孝 (おやふこう) lack of filial piety 不孝者 (ふこうもの) unfilial son Jinuma: Japanese Dictionary · Word lists