GRE allergy Definition A sensitive reaction to a particular substance or thing Example "Her allergy caused swelling and itching in her skin." Sign in to save GRE PDF — $25 ← allergic alleviate → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant