# anergy

> English word · Noun · IPA /ˈænə(ɹ)dʒi/

## Definitions
1. Dilute or disorganized energy, which cannot be transformed into work.
2. Deficiency of energy.
3. Lack of immunity to an antigen.

## Etymology
From New Latin anergia, from Ancient Greek ἀν- (an-, “not, without”) + ἔργον (érgon, “work”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/anergy