irresponsible

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

adjective

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.

noun

an irresponsible person.

Origin of irresponsible

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

Related forms

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

Examples from the Web for irresponsibility

British Dictionary definitions for irresponsibility

irresponsible

/ (ˌɪrɪˈspɒnsəbəl) /

adjective

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 Forms

irresponsibility 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