from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Marked by a lack of responsibility.
  • adjective Lacking a sense of responsibility; unreliable or untrustworthy.
  • adjective Not liable to be called to account by a higher authority.
  • noun One who has no sense of responsibility.
  • noun One who is unlikely to be called to account by a higher authority.

from The Century Dictionary.

  • Not responsible; not subject to responsibility; not to be held accountable, or called into question: as, an irresponsible government; the irresponsible control of wealth.
  • Not capable of or chargeable with responsibility; unable to respond to obligation, as an insolvent debtor; not subject to or incurring legal responsibility, as an infant or idiot for his acts; not of a responsible nature or character.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Not responsible; not liable or able to answer for consequences; innocent.
  • adjective Not to be trusted; unreliable; lacking a proper sense of responsibility.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Lacking a sense of responsibility; incapable of or not chargeable with responsibility; unable to respond to obligation.
  • adjective Not responsible; not subject to responsibility; not to be held accountable, or called into question.
  • noun Someone who is not responsible.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective showing lack of care for consequences


from Wiktionary, Creative Commons Attribution/Share-Alike License

ir- +‎ responsible


  • "What shadow of reason," he asks, "is there for doubting that such sales as are necessary and inevitable will be far more sagaciously managed by a Local Board, which the ratepayers elect _for this sole purpose_, than either by magistrates who are irresponsible and do not suffer sensibly from the public vice, or by an _irresponsible_ or _multitudinous_ Committee of Parliament?

    Memoir and Letters of Francis W. Newman

  • Mr. Holder also lashed out at Republican critics for using what he called "irresponsible and inflammatory rhetoric."

    Holder Defends Stance in Gun-Running Probe

  • Community this week filed a motion to dismiss what it called an irresponsible lawsuit.

    Tenet Rejects Latest Bid From Community Health

  • The RSC letter, headed by Rep. Patrick McHenry R-N.C., states that the 72 Republican Members who signed it believe the super committee should under no circumstances approve a deal that includes tax increases, which they call 'irresponsible and dangerous.'

    HUFFPOST HILL - Scott Brown Probably Only Saw Half Of 'Margin Call'

  • As a result, Republicans in general and Ryan in particular have become increasingly defensive and angry, complaining loudly that the Democrats are engaging in "Mediscare," what they call an irresponsible and demagogic attempt to transform a serious national problem into an opportunity for crass partisan advantage.

    Jonathan Weiler: Republicans, Medicare and the Golden Rule

  • He is calling for Washington to stop making what he describes as "irresponsible remarks."

    China Labels US 'Irresponsible' About Monastery Reaction

  • You've been very clear that because of your principle and because of your Republican philosophy, that you think that the government really should be limited and really should stay out, for the most part, of bailing out both homeowners and what you call irresponsible lenders.

    CNN Transcript Apr 1, 2008

  • But he was still very clear, he does not agree with the idea of a bailout for what he calls irresponsible lenders or homeowners.

    CNN Transcript Apr 2, 2008

  • He talks about the fact that he does not believe it's the government's role to get involved in a very aggressive way, to try to help what he called irresponsible lenders and irresponsible homeowners.

    CNN Transcript Mar 30, 2008

  • Reading between the lines, one gets the impression that the press gaggle in question was eager for a chance to bait the medium's resident enfant terrible, and he doesn't fail to deliver: first attacking the LA Times for what he describes as irresponsible reporting on his show, and then segueing to his favorite punching bag, online fan writers:

    Professionalism: An Object Lesson


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