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anergy Line breaks: an¦ergy
Pronunciation: /ˈanədʒi/

Definition of anergy in English:


[mass noun] Medicine
Absence of the normal immune response to a particular antigen or allergen.
Example sentences
  • It is known that some persons with TB exhibit specific anergy to tuberculin but still respond to other antigens, possibly because available T-cell receptors are saturated and unable to react to the administered tuberculin antigen.
  • This type of antigen presentation results in tolerance via T-cell anergy.
  • As suggested by Ferrara and colleagues, a low mitogen response may possibly reflect underlying anergy or inability of the cellular immune system to effectively mount a T-cell response.


Pronunciation: /əˈnəːdʒik/
Example sentences
  • Among TB patients with HIV infection, up to 40 per cent could be anergic.
  • Seven patients were PPD negative, one of whom was anergic.
  • Among these anergic patients, the 6-month mortality rate was 48%, compared with 13% for immunocompetent patients.


Early 20th century: from German Anergie, from Greek an- 'not', on the pattern of Allergie 'allergy'.

Definition of anergy in:
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