allergy
[ˈæl.ə.dʒi]noun
A condition in which your body reacts badly to something that is usually harmless, such as pollen, dust, or a food.
Example sentences
- “Her allergy to cats makes her sneeze whenever she visits us.”
- “My son has a peanut allergy, so we check every food label.”
- “Spring is a hard season for anyone with a pollen allergy.”
Takes 'to': an allergy to peanuts. The adjective is 'allergic', as in 'I'm allergic to shellfish'.