The Collaborative International Dictionary
Anergic
Anergia \An*er"gi*a\, Anergy \An"er*gy\, n. [NL. anergia, fr. Gr. ?- not + ? work.] Lack of energy; inactivity. -- An*er"gic, a.
Wiktionary
anergic
a. Of, pertaining to, or characteristic of anergy