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Synonyms

allergy

American  
[al-er-jee] / ˈæl ər dʒi /

noun

plural

allergies
  1. 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.

  2. hypersensitivity to the reintroduction of an allergen.

  3. Informal. a strong dislike or aversion, as toward a person or activity.

    He has an allergy to hard work.


allergy British  
/ ˈælədʒɪ /

noun

  1. 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

  2. informal aversion

    he has an allergy to studying

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

allergy Scientific  
/ ălər-jē /
  1. 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.

  2. See also anaphylactic shock


allergy Cultural  
  1. A highly sensitive reaction of the body to certain substances, such as pollen, that are present in amounts that do not affect most people. Common indications of allergy include sneezing, skin rashes, itching, and runny nose.


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.

A small card identifying dishes can help guests with allergies navigate the table.

From Salon

Learn a few basic phrases in the local language to ask for help or inform a doctor of allergies.

From Salon

It has taken four years to arrange the right dog, with letters being sent to parents and guardians asking about allergies, phobias and other concerns.

From BBC

Schools in England must provide allergy awareness training for all staff for the first time, under new statutory guidance announced by the Department for Education.

From BBC

Coeliac disease is not an allergy or food intolerance.

From BBC