adjective
- performing the duties expected or required of one; characterized by doing one’s duty: a dutiful citizen; a dutiful child.
- required by duty; proceeding from or expressive of a sense of duty: dutiful attention.
adjective
- exhibiting or having a sense of duty
- characterized by or resulting from a sense of dutya dutiful answer
adj.1550s, from duty + -ful. Related: Dutifully.