du·ti·ful 
/ˈdu:tɪfəl, Brit ˈdju:tɪfəl/ adjective
/ˈdu:tɪfəl, Brit ˈdju:tɪfəl/ adjective [more dutiful; most dutiful] : doing what is expected of you
▪ a dutiful servant/daughter/father ▪ the dutiful way he took care of his sick mother
▪ a dutiful servant/daughter/father ▪ the dutiful way he took care of his sick mother
— du·ti·ful·ly /ˈdu:tɪfli, Brit ˈdju:tɪfli/ adverb
▪ He dutifully answered my questions.
/ˈdu:tɪfli, Brit ˈdju:tɪfli/ adverb ▪ He dutifully answered my questions.
