An excessive or abnormal sensitivity to a substance. A person who is hypersensitive to a certain drug will often suffer a severe allergic reaction (see allergy) if given the drug.
Browse entries near hypersensitivity
HyperSCSI
hypersecretory
hypersensitive
hypersensitive (synonyms)
hypersensitive (medical)
hypersensitization
hypersexual
hypersexuality
hypersomnia
hypersonic