Added 9 October 2026 dutiful adjective Categories: Describing WordsRare Words In Latin: pius Wiktionary adjective ! Definition from Wiktionary (CC BY-SA). More about dutiful at Wordnik → Where our words come from → Accepting of one's legal or moral obligations and willing to do them well, and without complaint. Ralph was a dutiful child, and took the trash out without being told. Pertaining to one's duty; demonstrative of one's sense of duty. Origin From duty + -ful. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: obedientduteousdedicateddevoteddutifullobligablecomplianterogatoryacquiescentaccountablecompliablehearsome Back to today's word