The term 'un-filial' means someone who disobeys their parents or lacks the qualities of a dutiful son or daughter. Antonyms for the word 'un-filial' include filial, obedient, dutiful, respectful, devoted, and loyal. A filial person is one who is respectful, obedient, and dutiful toward their parents or guardians. They listen to what their elders have to say and follow their advice. They show devotion and loyalty to their parents, taking care of them in their old age. Being filial is an important quality in many cultures, as it signifies the deep bond between parents and children. Thus, the opposite of un-filial is a person who is respectful, obedient, and dutiful to their parents.