| Definitions | | allergy |
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noun
- A condition of hypersensitivity to a substance (an allergen) considered harmless to most people. Exposure (consumption, inhalation, physical contact, etc) to such substances causes the body to undergo a reaction, often resulting in symptoms such as difficulty breathing and/or swellings/rashes of the skin.
- Altered susceptibility to a first treatment as exhibited in reaction to a subsequent one.
- (informal) An antipathy, as toward a person or activity.
- He is allergic to reality TV.
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Full Definition of allergy
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