1. not showing the respect and obedience that a child should show to a parent
Usage: formal

Examples

• His unfilial behavior shocked the entire family.
• She was criticized for her unfilial attitude toward her elderly parents.
• The son’s unfilial conduct brought shame to the household.
• It was considered unfilial to speak harshly to one’s mother.
• His unfilial neglect of his father’s wishes caused a family rift.
• The community condemned her unfilial treatment of her aging parents.