undutifulness undutifully • unduty · · · Info · Definitions · Characters · · undutifulness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) impiety characterized by lack of devotion to duty. · · Noun Definition 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075