having an impaired or compromised immune response; immunodeficient.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
having an impaired immune system and therefore incapable of an effective immune response, usually as a result of disease, such as AIDS, that damages the immune system
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
Incapable of developing a normal immune response, usually as a result of disease, malnutrition, or immunosuppressive therapy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.