Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun allergy

1 sense of allergy

Sense 1
allergy, allergic reaction -- (hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity)
       => hypersensitivity reaction -- (an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock)