Undutifulness to one's parents; lack of filial piety or failing to show respect and care to one's parents.
息子が家を出て以来、親に連絡もしないのは不孝だと感じる人もいる。
Some people feel that a son who moved out and never contacts his parents is being unfilial.
親の面倒を見ないで贅沢を続けるのは不孝と批判された。
He was criticized as unfilial for continuing to live lavishly without caring for his parents.
Archaic: (in older usage) the crime or act of cursing one’s parents.
古典文献には、不孝を犯した者への厳しい罰が記されている。
Classical texts record severe punishments for those who committed acts of unfilial conduct.
Archaic: to disown or abandon one's child (an obsolete meaning seldom used today).
古い記録には、親が子を捨てることを不孝と記している例がある。
Old records include instances describing parents abandoning a child as unfilial behavior.