noun

allergy

allergy, hypersensitivity

I have a nut allergy.

I have a nut allergy.

Her allergy to dust is quite severe.

Her allergy to dust is quite severe.

an allergy ((to sth.)) a medical condition causing a reaction to (sth.) She has an allergy to pollen.

Synonyms: sensitivity, intolerance; Antonyms: immunity

From Greek 'allos' (other) + 'ergon' (work), meaning an 'altered reaction'.

Imagine 'all energy' is used to react to something harmless.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.