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 Thirst, tiredness, and irritability are signs of dehydration. Ann Pietrangelo, Verywell Health, 8 July 2024 There’s the foreboding sense that the root cause of Liz’s irritability isn’t rottenness but grief. Amanda Whiting, Vulture, 21 Jan. 2024 As Gru, Carell retains the villain’s signature irritability while also touching on the vulnerable enthusiasm of raising his new infant. Lovia Gyarkye, The Hollywood Reporter, 28 June 2024 Symptoms of mercury poisoning, which often builds up over time, include depression, anxiety, tremors, irritability, memory issues, muscle weakness, vision changes, and trouble with speech or hearing, according to Healthline. Vanessa Etienne, Peoplemag, 8 May 2024 See all Example Sentences for irritability 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'irritability.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 27 Jul. 2024.

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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