allergy
Americannoun
PLURAL
allergies-
an abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection, or skin contact, often manifested by itchy eyes, runny nose, wheezing, skin rash, or diarrhea.
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hypersensitivity to the reintroduction of an allergen.
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Informal. a strong dislike or aversion, as toward a person or activity.
He has an allergy to hard work.
noun
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a hypersensitivity to a substance that causes the body to react to any contact with that substance. Hay fever is an allergic reaction to pollen
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informal aversion
he has an allergy to studying
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An abnormally high immunologic sensitivity to certain stimuli such as drugs, foods, environmental irritants, microorganisms, or physical conditions, such as temperature extremes. These stimuli act as antigens, provoking an immunological response involving the release of inflammatory substances, such as histamine, in the body. Allergies may be innate or acquired in genetically predisposed individuals. Common symptoms include sneezing, itching, and skin rashes, though in some individuals symptoms can be severe.
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See also anaphylactic shock
Etymology
Origin of allergy
1910–15; < Greek áll ( os ) other + -ergy < Greek -ergia, equivalent to érg ( on ) activity + -ia -y 3
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Researchers at the University of Virginia School of Medicine have confirmed the first known death caused by the condition commonly referred to as the meat allergy, which is transmitted by ticks.
From Science Daily
"The genetic burden associated with many autoimmune diseases, immune deficiencies, and allergies are overwhelmingly linked to T cells," Marson says.
From Science Daily
It said its menus meet NHS nutritional standards and that any dietary requirements including allergies are recorded.
From BBC
Nearly 60 reservations were booked in the restaurant that night, along with a special dinner with seafood towers and food allergies.
Garcia says his tactics are motivated by an allergy to bullies.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.