irresponsibility Meaning, Definition & Usage

  1. noun a form of untrustworthiness; the trait of lacking a sense of responsibility and not feeling accountable for your actions
    irresponsibleness.

WordNet

Ir`re*spon`si*bil"i*ty noun
Etymology
Cf. F. irresponsabilité.
Definitions
  1. Want of, or freedom from, responsibility or accountability.

Webster 1913