"allergic" in the adjective sense
characterized by or caused by allergy
"an allergic reaction"
2. allergic, hypersensitive, hypersensitized, hypersensitised, sensitized, sensitised, supersensitive, supersensitized, supersensitised
having an allergy or peculiar or excessive susceptibility (especially to a specific factor
"hypersensitive to pollen"
Source: WordNet® (An amazing lexical database of English)
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