allergic reaction allergic eczema • allergic rhinitis · · · Info · Definitions · Synonyms · Characters · · allergic reaction · · Text Common · · Latin · · Scripts 17 · · Length 7 · · Syllables Definitions · · · (noun) hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity. Synonyms: allergy, allergic reaction. · · Noun Definition 1 Synonyms · · · allergy · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074