ˈd(y)üd.ēəs, -ütēəs chiefly Brit -ü.tyəs adjective
Etymology: irregular from duty + -ous
1. : marked by a sense of duty : dutiful
his chaste and duteous wife — Andrew Lang
2. obsolete : obsequious
many a duteous and knee-crooking knave that … wears out his time … for naught but provender — Shakespeare
• du·te·ous·ly adverb
• du·te·ous·ness noun -es