irritability

noun
ir·​ri·​ta·​bil·​i·​ty | \ ˌir-ə-tə-ˈbi-lə-tē How to pronounce irritability (audio) \
plural irritabilities

Definition of irritability

1 : the property of protoplasm and of living organisms that permits them to react to stimuli
2 : 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

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Examples of irritability in a Sentence

the librarian's well-known irritability makes students hesitant to ask questions

Recent Examples on the Web

Side effects may include drowsiness, lightheadedness, headache, irritability, constipation, and nausea. Carolyn L. Todd, SELF, "Lena Dunham Says She's 6 Months Sober After Years of 'Misusing' Her Anti-Anxiety Medication," 30 Oct. 2018 Both tears and irritability lay under a thin veneer of calm, and both broke through regularly, sometimes at once. Sharon Holbrook, Woman's Day, "What It's Really Like to Live With Seasonal Affective Disorder," 22 Jan. 2018 Photo: Shutterstock Reason #4: An Untreated Urinary Tract Infection While pain, burning and irritability are the most common signs of a urinary tract infection (UTI), some people's symptoms aren't as obvious. Sarah Jio, Woman's Day, "8 Surprising Reasons You're Tired," 14 Jan. 2011 But fasting comes with its own caveats: a higher risk of binge eating, low blood pressure, irritability and headaches. Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 Common symptoms include fever, irritability, headache, stiff neck, sensitivity to light, sleepiness, nausea, vomiting and lack of appetite. Alexandria Hein, Fox News, "South Carolina student hospitalized with meningitis," 30 Aug. 2018 Studies with twins have shown us virtually every human trait — height, intelligence, irritability, personality, etc. — is, in part, heritable, meaning the differences seen between people can in part be traced back to differences in genetics. Brian Resnick, Vox, "How scientists are trying to predict your future with your genes," 23 Aug. 2018 Anxiety, depression, irritability, hunger, weight gain — all of those are symptoms of nicotine withdrawal, which are unpleasant. Rachel Becker, The Verge, "Is nicotine actually bad for you?," 10 Aug. 2018 This speeds up your metabolism (how your body uses energy), which can cause a host of symptoms like shorter periods, sudden weight loss, an irregular heartbeat, and irritability. Korin Miller, SELF, "How Long Does a Period Last, Normally?," 17 May 2018

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.

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First Known Use of irritability

1755, in the meaning defined at sense 1

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Time Traveler for irritability

The first known use of irritability was in 1755

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More Definitions for irritability

irritability

noun
ir·​ri·​ta·​bil·​i·​ty | \ ˌir-ə-tə-ˈbi-lə-tē How to pronounce irritability (audio) \

Kids Definition of irritability

: the quality of easily becoming angry or annoyed

irritability

noun
ir·​ri·​ta·​bil·​i·​ty | \ ˌir-ət-ə-ˈbil-ət-ē How to pronounce irritability (audio) \
plural irritabilities

Medical Definition of irritability

1 : the property of protoplasm and of living organisms that permits them to react to stimuli
2a : 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)

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