immunodeficiency
noun
im·mu·no·de·fi·cien·cy
ˌi-myə-nō-di-ˈfi-shən(t)-sē 
i-ˌmyü-nō-
: inability to produce a normal complement of antibodies or immunologically sensitized T cells especially in response to specific antigens
Examples of immunodeficiency in a Sentence
Recent Examples on the Web
Domestic cats have the potential to transmit a variety of diseases to native felines, such as feline immunodeficiency virus and feline leukemia virus.
—
Scott Travers, Forbes, 15 Feb. 2024
Chase’s health has also been impacted by his positive diagnosis of feline immunodeficiency virus, which causes AIDS in cats, according to Mar Vista Animal Medical Center.
—Makiya Seminera, Miami Herald, 26 Jan. 2024
Primary immunodeficiency diseases Primary immunodeficiency diseases (PIDDs)—also commonly known as inborn errors of immunity—are rare genetic disorders that cause at least one part of a person’s immune system to malfunction, according to the NIH.
—Maggie O'Neill, SELF, 10 Mar. 2023
Kesha Monica Schipper/Getty Images In June, Kesha exclusively revealed to SELF that she had been diagnosed with common variable immunodeficiency (CVID), a primary immunodeficiency disease (PIDD) that puts her at risk of developing recurrent—and potentially serious—infections.
—Kayla Blanton, SELF, 21 Sep. 2023
See all Example Sentences for immunodeficiency 
Scott Travers, Forbes, 15 Feb. 2024
Chase’s health has also been impacted by his positive diagnosis of feline immunodeficiency virus, which causes AIDS in cats, according to Mar Vista Animal Medical Center.
—Makiya Seminera, Miami Herald, 26 Jan. 2024
Primary immunodeficiency diseases Primary immunodeficiency diseases (PIDDs)—also commonly known as inborn errors of immunity—are rare genetic disorders that cause at least one part of a person’s immune system to malfunction, according to the NIH.
—Maggie O'Neill, SELF, 10 Mar. 2023
Kesha Monica Schipper/Getty Images In June, Kesha exclusively revealed to SELF that she had been diagnosed with common variable immunodeficiency (CVID), a primary immunodeficiency disease (PIDD) that puts her at risk of developing recurrent—and potentially serious—infections.
—Kayla Blanton, SELF, 21 Sep. 2023
See all Example Sentences for immunodeficiency
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'immunodeficiency.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near immunodeficiency
Cite this Entry
“Immunodeficiency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immunodeficiency. Accessed 1 Jul. 2024.
Copy CitationKids Definition
immunodeficiency
noun
im·mu·no·de·fi·cien·cy
-də-ˈfish-ən-sē
: inability to produce the normal number of antibodies or T cells capable of acting in an immune system
Medical Definition
immunodeficiency
noun
im·mu·no·de·fi·cien·cy
-di-ˈfish-ən-sē
plural immunodeficiencies
: inability to produce a normal complement of antibodies or immunologically sensitized T cells especially in response to specific antigens see aids
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