irresponsibility irresponsibilities • irresponsible · · · Info · Definitions · Synonyms · Antonyms · Characters · · irresponsibility · · Text Latin · · Script 16 · · Length 7 · · Syllables Definitions · · · (noun) a form of untrustworthiness; the trait of lacking a sense of responsibility and not feeling accountable for your actions. Synonyms: irresponsibleness. · · Noun Definition 1 Synonyms · · · irresponsibleness · · Synonym 1 Antonyms · · · responsibility · · Antonym 0 responsibleness · · Antonym 1 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079