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

Keep scrolling for more

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

Visit the Thesaurus for More 

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.
See More
Recent Examples on the Web: Adjective Pelosi and Senate Majority Leader Chuck Schumer, D-N.Y., have said Republicans are being irresponsible after Democrats helped raise the debt limit three times during the Trump administration. Bart Jansen, USA TODAY, 22 Sep. 2021 The new head of the NTSB, by the way, has expressed the view that the name FSD is irresponsible and is worried about this planned wider beta program. Brad Templeton, Forbes, 20 Sep. 2021 McCain went on to tweet that Minaj has a massive platform and that to use it to spread vaccine hesitancy is irresponsible. Bill Goodykoontz, The Arizona Republic, 15 Sep. 2021 So much so that some of the press thought Bergman not offering greater context and discussion around the film was irresponsible. Maureen Lee Lenker,, 10 Sep. 2021 Franklin began characterizing his wife as irresponsible and questioned her fitness as a mother., 14 Aug. 2021 Some Republicans have mocked them as irresponsible --– including some who also deride experts’ advice to wear masks. Todd J. Gillman, Dallas News, 20 July 2021 Noor also slammed the quick U.S. departure as irresponsible. Fox News, 9 July 2021 Democrats blasted the measure as irresponsible, while Republican supporters said the bill would help communities cope with PFAS pollution. Scott Bauer, Star Tribune, 22 June 2021

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.

See More

First Known Use of irresponsible


1648, in the meaning defined above


1892, in the meaning defined above

Keep scrolling for more

Learn More About irresponsible

Time Traveler for irresponsible

Time Traveler

The first known use of irresponsible was in 1648

See more words from the same year

Dictionary Entries Near irresponsible

irrespective of



See More Nearby Entries 

Statistics for irresponsible

Last Updated

25 Sep 2021

Cite this Entry

“Irresponsible.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for irresponsible



English Language Learners Definition of irresponsible

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


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


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Spell It

Can you spell these 10 commonly misspelled words?

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!