irritability

noun

ir·​ri·​ta·​bil·​i·​ty ˌir-ə-tə-ˈbi-lə-tē How to pronounce irritability (audio)
plural irritabilities
1
: the quality or state of being irritable: such as
a
: quick excitability to annoyance, impatience, or anger : petulance
b
: abnormal or excessive excitability of an organ or part of the body
2
: the property of protoplasm and of living organisms that permits them to react to stimuli

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Example Sentences

the librarian's well-known irritability makes students hesitant to ask questions
Recent Examples on the Web Researchers suggested low blood glucose levels could be triggering irritability, or people could be annoyed or irritated quicker than usual when hungry. Jordan Mendoza, USA TODAY, 7 July 2022 Both vaccines may cause irritability, decreased appetite, fever, tenderness, redness, and pain at the injection site. Helen Branswell And Matthew Herper, STAT, 23 June 2022 This leads to emotional exhaustion, a messy cocktail made with trouble sleeping, irritability, physical fatigue, and the feeling of powerlessness. Ashley Stahl, Forbes, 16 Aug. 2022 Other signs are irritability, heavy sweating and thirst, a higher body temperature and decreased urination. Sandee Lamotte, CNN, 19 July 2022 Perhaps unsurprisingly, hunger was associated with more anger and irritability and less pleasure—to a significant degree. Sarah Kuta, Smithsonian Magazine, 7 July 2022 With the Moderna shot, side effects for children ages 6 to 36 months also included irritability, crying, sleepiness and loss of appetite. Karen Kaplanscience And Medicine Editor, Los Angeles Times, 28 June 2022 In clinical trials, vaccine side effects for young children included irritability, decreased appetite, pain at the injection site, headache and muscle pain. Annie Berman, Anchorage Daily News, 23 June 2022 Many trial participants experienced irritability, sleepiness and pain at the injection site. Aria Bendix, NBC News, 17 June 2022 See More

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

Word History

First Known Use

1755, in the meaning defined at sense 2

Time Traveler
The first known use of irritability was in 1755

Dictionary Entries Near irritability

Cite this Entry

“Irritability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irritability. Accessed 2 Oct. 2022.

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Kids Definition

irritability

noun

ir·​ri·​ta·​bil·​i·​ty ˌir-ə-tə-ˈbi-lə-tē How to pronounce irritability (audio)
: the quality of easily becoming angry or annoyed

Medical Definition

irritability

noun

ir·​ri·​ta·​bil·​i·​ty ˌir-ət-ə-ˈbil-ət-ē How to pronounce irritability (audio)
plural irritabilities
1
: the property of protoplasm and of living organisms that permits them to react to stimuli
2
a
: quick excitability to annoyance, impatience, or anger
b
: abnormal or excessive excitability of an organ or part of the body (as the stomach or bladder)

More from Merriam-Webster on irritability

Last Updated: 24 Sep 2022

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