Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hypersensitivity_reaction
1 sense of hypersensitivity reaction
Sense 1
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)
=> hypersensitivity -- (pathological sensitivity)