(n) a form of untrustworthiness; the trait of lacking a sense of responsibility and not feeling accountable for your actions, Syn. irresponsibleness, Ant. responsibility, responsibleness
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
[さんむしゅぎ, sanmushugi] (n) the "three noes principle" of no drive (indolence), no interest (indifference), and no sense of responsibility (irresponsibility), the term describing the temperament of the Japanese youth of the 1970s