Dictionary

irresponsible

1irresponsible

adjective ir·re·spon·si·ble \ˌir-i-ˈspän(t)-sə-bəl\

: not having or showing maturity or good judgment : not responsible

Full Definition of IRRESPONSIBLE

:  not responsible: as
a :  not answerable to higher authority <an irresponsible dictatorship>
b :  said or done with no sense of responsibility <irresponsible accusations>
c :  lacking a sense of responsibility
d :  unable especially mentally or financially to bear responsibility
ir·re·spon·si·bil·i·ty \ˌir-i-ˌspän(t)-sə-ˈbi-lə-tē\ noun
ir·re·spon·si·ble·ness \ˌir-i-ˈspän(t)-sə-bəl-nəs\ noun
ir·re·spon·si·bly \-blē\ adverb

Examples of IRRESPONSIBLE

  1. He's too irresponsible to keep a job for more than a week.
  2. She made irresponsible comments that helped cause the riot.
  3. It would be irresponsible to ignore the threats.

First Known Use of IRRESPONSIBLE

1648

2irresponsible

noun

Definition of IRRESPONSIBLE

:  a person who is irresponsible

First Known Use of IRRESPONSIBLE

1892

irresponsible

adjective ir·re·spon·si·ble \ˌir-i-ˈspän(t)-sə-bəl\   (Medical Dictionary)

Medical Definition of IRRESPONSIBLE

:  not responsible :  mentally inadequate to bear responsibility
ir·re·spon·si·bil·i·ty \-ˌspän(t)-sə-ˈbil-ət-ē\ noun, plural ir·re·spon·si·bil·i·ties

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