[ ir-i-spon-suh-buhl ]
/ ˌɪr ɪˈspɒn sə bəl /


said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
not capable of or qualified for responsibility, as due to age, circumstances, or a mental deficiency.
not responsible, answerable, or accountable to higher authority: irresponsible as a monarch.


an irresponsible person.

Nearby words

  1. irresolution,
  2. irresolvable,
  3. irrespective,
  4. irrespirable,
  5. irresponsibility,
  6. irresponsive,
  7. irresuscitable,
  8. irretentive,
  9. irretraceable,
  10. irretrievable

Origin of irresponsible

First recorded in 1640–50; ir-2 + responsible

Related formsir·re·spon·si·bil·i·ty, ir·re·spon·si·ble·ness, nounir·re·spon·si·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for irresponsibility

British Dictionary definitions for irresponsibility


/ (ˌɪrɪˈspɒnsəbəl) /


not showing or done with due care for the consequences of one's actions or attitudes; reckless
not capable of bearing responsibility
archaic not answerable to a higher authority for one's actions
Derived Formsirresponsibility or irresponsibleness, nounirresponsibly, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for irresponsibility
Online Etymology Dictionary, © 2010 Douglas Harper