anergy meaning
anergy (ËÃ¦nÉdÊÉª) n 1. lack of energy 2. (Physiology) immunol diminution or lack of immunity to an antigen [from New Latin anergia, from an- + Greek ergon work] anergic adj. anergy 1. a lack of strength. 2. the failure of the body to respond to an allergen or antigen.