ir·​re·​spon·​si·​ble | \ ˌir-i-ˈspän(t)-sə-bəl How to pronounce irresponsible (audio) \

Definition of irresponsible

 (Entry 1 of 2)

: not responsible: such as
a : lacking a sense of responsibility
b : said or done with no sense of responsibility irresponsible accusations
c : unable especially mentally or financially to bear responsibility
d : not answerable to higher authority an irresponsible dictatorship



Definition of irresponsible (Entry 2 of 2)

: a person who is irresponsible

Other Words from irresponsible


irresponsibility \ ˌir-​i-​ˌspän(t)-​sə-​ˈbi-​lə-​tē How to pronounce irresponsible (audio) \ noun
irresponsibleness \ ˌir-​i-​ˈspän(t)-​sə-​bəl-​nəs How to pronounce irresponsible (audio) \ noun
irresponsibly \ ˌir-​i-​ˈspän(t)-​sə-​blē How to pronounce irresponsible (audio) \ adverb

Synonyms & Antonyms for irresponsible

Synonyms: Adjective

Antonyms: Adjective

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Examples of irresponsible in a Sentence

Adjective He's too irresponsible to keep a job for more than a week. She made irresponsible comments that helped cause the riot. It would be irresponsible to ignore the threats.
Recent Examples on the Web: Adjective Patrick Remington, an emeritus professor at the University of Wisconsin-Madison School of Medicine and Public Health, severely criticized Johnson and called his persistent questioning of medical science irresponsible. Bill Glauber, Milwaukee Journal Sentinel, 5 May 2022 Croker is further described as polarizing and robust, crude, rude, and irresponsible. Joe Otterson, Variety, 2 May 2022 The Pentagon called his words irresponsible—though as Peskov explicitly said in the interview, this is longstanding Russian nuclear doctrine, not something new. David Meyer, Fortune, 23 Mar. 2022 Russia destroyed one of its own satellites last November in a direct-ascent anti-satellite missile test which has been condemned by US President Joe Biden's administration as dangerous and irresponsible. Kristin Fisher, CNN, 21 Jan. 2022 Some people are still irresponsible, of course, but there was a switch at some point that made most people change their behavior. Krista Langlois, Outside Online, 25 Apr. 2022 Infuriated, Toby says Kate's never seen limitations, which is irresponsible. Amanda Ostuni,, 6 Apr. 2022 The week of March 21: when ‘socially responsible’ investing is irresponsible, inflation, the oil price, health care, and much, much more. Andrew Stuttaford, National Review, 25 Mar. 2022 For me, manufacturers of handguns are in a business category that is unethical and irresponsible. Christopher Marquis, Forbes, 15 Mar. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'irresponsible.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of irresponsible


1648, in the meaning defined above


1892, in the meaning defined above

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Time Traveler for irresponsible

Time Traveler

The first known use of irresponsible was in 1648

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Dictionary Entries Near irresponsible

irrespective of



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Statistics for irresponsible

Last Updated

16 May 2022

Cite this Entry

“Irresponsible.” Dictionary, Merriam-Webster, Accessed 17 May. 2022.

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More Definitions for irresponsible


ir·​re·​spon·​si·​ble | \ ˌir-i-ˈspän-sə-bəl How to pronounce irresponsible (audio) \

Kids Definition of irresponsible

: having or showing little or no sense of responsibility You're too irresponsible for a pet.

Other Words from irresponsible

irresponsibly \ -​ˈspän-​sə-​blē \ adverb


ir·​re·​spon·​si·​ble | \ ˌir-i-ˈspän(t)-sə-bəl How to pronounce irresponsible (audio) \

Medical Definition of irresponsible

: not responsible : mentally inadequate to bear responsibility

Other Words from irresponsible

irresponsibility \ -​ˌspän(t)-​sə-​ˈbil-​ət-​ē How to pronounce irresponsible (audio) \ noun, plural irresponsibilities

More from Merriam-Webster on irresponsible

Nglish: Translation of irresponsible for Spanish Speakers

Britannica English: Translation of irresponsible for Arabic Speakers


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