Learn how to say Irresponsibility correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word irresponsibility:
(pejorative) the quality o state of not showing due care for the consequences of one’s actions or attitudes; recklessness ⇒ the irresponsibility of people who advocate such destruction to our environment
incapability of bearing responsibility
the quality or state of not being answerable to a higher authority for one’s actions