anergy

American

[an-er-jee] / ˈæn ər dʒi /

noun

Pathology. deficiency of energy.
Immunology. lack of immunity to an antigen.

anergy British

/ æˈnɜːdʒɪk, ˈænədʒɪ /

noun

lack of energy
immunol diminution or lack of immunity to an antigen

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

anergic adjective

Etymology

Origin of anergy

< New Latin anergia. See an- ¹, ergo- ¹, -y ³

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Most immunologists now dismiss as improbable the first possibility, in which the immune system is exhausted by repeated stimulation — a condition called “anergy” — and stops responding to coronavirus vaccines.

From Seattle Times

This is achieved through a number of mechanisms, including T-cell depletion and anergy.

From Nature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023