immediate allergy immediate • immediate apprehension · · · Info · Definitions · Synonyms · Characters · · immediate allergy · · Text Common · · Latin · · Scripts 17 · · Length 8 · · Syllables Definitions · · · (noun) an allergic reaction that becomes apparent in a sensitized person only minutes after contact. Synonyms: immediate allergy, atopy, atopic allergy, type I allergic reaction. · · Noun Definition 1 Synonyms · · · atopy · · Synonym 1 atopic allergy · · Synonym 2 type i allergic reaction · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 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 m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079