Inflected forms: pl. al·ler·gies 1. An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may include sneezing, itching, and skin rashes. 2.Informal An adverse sentiment; antipathy: an allergy to cocktail parties.
ETYMOLOGY:
German Allergie : Greek allos, other; see allo + Greek ergon, action; see werg- in Appendix I.