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

Examples of irritability in a Sentence

the librarian's well-known irritability makes students hesitant to ask questions
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The detox process can bring on withdrawal symptoms like anxiety, headaches, and irritability. Matt Rozo, The Mercury News, 31 Jan. 2025 Muscle spasms, fatigue, headaches and irritability are a few telltale signs of dehydration, which occurs when the body has rapidly lost electrolytes. Caroline C. Boyle, USA TODAY, 30 Jan. 2025 But when the body’s fight-or-flight survival response doesn’t let up, temporary changes such as muscle tension, shallow breathing, rapid heartbeat and edginess can give way to headaches, trouble sleeping, irritability, and the debilitating paralysis symptomatic of chronic anxiety or depression. Sara Sidner, CNN, 19 Jan. 2025 Symptoms can range from mild discomforts like bloating and irritability to severe mood swings, depression, and anxiety.1314 The effects of hormonal IUDs on people with PMS or PMDD remain unclear due to limited research. Lindsay Curtis, Verywell Health, 15 Jan. 2025 See all Example Sentences for irritability 

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 8 Feb. 2025.

Kids Definition

irritability

noun
ir·​ri·​ta·​bil·​i·​ty ˌir-ət-ə-ˈbil-ət-ē How to pronounce irritability (audio)
plural irritabilities
1
: the quality or state of being irritable
especially : readiness to become annoyed or angry
2
: the property of living tissue and living things that permits them to react to stimuli

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

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