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English definition of “allergic”

allergic

adjective     /əˈlɜːdʒɪk/
PERSON [never before noun] having an allergy: I'm allergic to eggs.Poisoning and allergy
CAUSE [always before noun] caused by an allergy: an allergic reaction Poisoning and allergy
(Definition of allergic adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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