anergy anergic • anerly · · · Info · Definitions · Characters · · anergy · · Text Latin · · Script 6 · · Length 3 · · Syllables Definitions · · · (noun) reduction or lack of an immune response to a specific antigen. · · Noun Definition 1 (noun) inactivity and lack of energy. · · Noun Definition 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E r latin small letter r U+0072 y latin small letter y U+0079