undutiful
🇺🇸
/ʌn'djutɪfəl/
🇬🇧
/'ʌn'dju:tɪfəl/
Not behaving in a way that shows respect for others, especially parents or people in charge.
He was criticized for being undutiful by ignoring his mother's requests.
Not taking one's responsibilities seriously, especially when it comes to duties or tasks.
The employee was considered undutiful for neglecting her job duties.