allergy

noun
al·​ler·​gy | \ ˈa-lər-jē How to pronounce allergy (audio) \
plural allergies

Definition of allergy

1 : altered bodily reactivity (such as hypersensitivity) to an antigen in response to a first exposure a bee venom allergy so severe that a second sting may be fatal
2 : exaggerated or pathological immunological reaction (as by sneezing, difficult breathing, itching, or skin rashes) to substances, situations, or physical states that are without comparable effect on the average individual
3 : medical practice concerned with allergies
4 : a feeling of antipathy or aversion

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Examples of allergy in a Sentence

Many people have some form of allergy. independent-minded people who seem to have an allergy to any control from the government

Recent Examples on the Web

Corden may be able to offer royal declarations of a guest’s arrival, but one guest in particular didn’t seem to appreciate the late-night host putting her food allergies on blast. Nick Romano, EW.com, "Watch Chris Hemsworth and James Corden compete to be the best waiter," 19 June 2019 Some people have allergies, some have legitimate phobias, and some hate returning to their desks only to find their computer cords chewed up by a co-worker’s puppy. Sarah Todd, Quartz at Work, "The most dog-friendly offices in the US, according to Rover.com," 12 June 2019 Oreo, about 10 years old, has allergies, is going blind, is losing his teeth and requires medication and other special care, Sardo said. Austen Erblat, sun-sentinel.com, "Service dog reported stolen one month after owner moves to South Florida," 6 June 2019 Why do some people have allergies and others don’t? Steven Macari, Harper's BAZAAR, "The 9 Best Natural Remedies for Seasonal Allergies," 15 May 2019 And while some people of course have allergies and intolerances to certain foods, there aren’t any foods that, as a general rule, are toxic. Abby Langer, SELF, "Most Diets Don't Work, But If a Diet Promises These 4 Things, Run Away," 5 Jan. 2019 Some said their homes and schools had been flooded, one said drought on an Indian reservation forced her to leave home, and others said their allergies or asthma were worsened by smoke from wildfires. Bob Egelko, SFChronicle.com, "Young people suing government over climate change try to move suit forward," 4 June 2019 Therefore, patients with sensitive skin or known allergies to botanical ingredients may need to be extra cautious when using an oil. Jenn Sinrich, SELF, "What You Should Know Before Using a Trendy New Face Oil," 13 Mar. 2019 Those with allergies may also be better off leaving the windows closed when the pollen count is high, especially in spring. Heidi Mitchell, WSJ, "Is It Healthy to Sleep With the Window Open?," 27 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'allergy.' 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 allergy

1908, in the meaning defined at sense 1

History and Etymology for allergy

German Allergie, from all- + Greek ergon work — more at work

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Statistics for allergy

Last Updated

26 Jun 2019

Look-up Popularity

Time Traveler for allergy

The first known use of allergy was in 1908

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More Definitions for allergy

allergy

noun

English Language Learners Definition of allergy

: a medical condition that causes someone to become sick after eating, touching, or breathing something that is harmless to most people

allergy

noun
al·​ler·​gy | \ ˈa-lər-jē How to pronounce allergy (audio) \
plural allergies

Kids Definition of allergy

: a condition in which a person is made sick by something that is harmless to most people

allergy

noun
al·​ler·​gy | \ ˈal-ər-jē How to pronounce allergy (audio) \
plural allergies

Medical Definition of allergy

1 : altered bodily reactivity (as hypersensitivity) to an antigen in response to a first exposure his bee-venom allergy may render a second sting fatal
2 : exaggerated or pathological reaction (as by sneezing, respiratory embarrassment, itching, or skin rashes) to substances, situations, or physical states that are without comparable effect on the average individual
3 : medical practice concerned with allergies

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Comments on allergy

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