Un filial refers to a behavior or characteristic that is not in line with the concept of filial piety, which means respecting and taking care of one's parents and ancestors. The opposite of un filial is filial, which represents traits and actions that show respect, gratitude, and care towards parents and family. Some antonyms of un filial include obedient, dutiful, loyal, respectful, devoted, loving, considerate, and caring. Filial piety is highly valued in many cultures, and people who display such an attitude are considered to be virtuous and honorable. In contrast, un filial behavior is seen as a sign of disregard for one's responsibilities, values, and traditions.