immunosuppression

noun

im·​mu·​no·​sup·​pres·​sion ˌi-myə-nō-sə-ˈpre-shən How to pronounce immunosuppression (audio)
i-ˌmyü-nō-
: suppression (as by drugs or disease) of the immune response
Extreme caution must be exercised, however, in recipients of renal transplants because of immunosuppression and the susceptibility to infection.Rosalyn Kutcher et al.

Examples of immunosuppression in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
New research underway More trials are now starting to look at how GLP-1s might influence things like chronic inflammation or immunosuppression, both of which might contribute to cancer growth. Yuki Noguchi, NPR, 9 June 2026 With each new iteration of transgenic pig, testing was required to assess the potential for graft survival and best use of immunosuppression. Joshua Mezrich, STAT, 9 June 2026 Unlike broad immunosuppression, this approach would target a specific arm of innate immune activation while preserving much of classical and alternative complement pathway function. Steve Brozak, Forbes.com, 15 May 2026 Healthy cells that divide frequently—such as those in the bone marrow, digestive tract, and hair follicles—can also be affected, leading to side effects such as nausea, vomiting, fatigue, immunosuppression, and hair loss. Encyclopedia Britannica, 8 May 2026 See All Example Sentences for immunosuppression

Word History

Etymology

immuno- + suppression

First Known Use

1963, in the meaning defined above

Time Traveler
The first known use of immunosuppression was in 1963

Browse Nearby Words

Cite this Entry

“Immunosuppression.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immunosuppression. Accessed 17 Jun. 2026.

Kids Definition

immunosuppression

noun
im·​mu·​no·​sup·​pres·​sion ˌim-yə-nō-sə-ˈpresh-ən How to pronounce immunosuppression (audio)
im-ˌyü-nō-
: suppression (as by drugs) of natural immune responses
immunosuppress
-sə-ˈpres
verb
immunosuppressant
-sə-ˈpres-ᵊnt
noun or adjective
immunosuppressive
-sə-ˈpres-iv
adjective

Medical Definition

immunosuppression

noun
im·​mu·​no·​sup·​pres·​sion -sə-ˈpresh-ən How to pronounce immunosuppression (audio)
: suppression (as by drugs or disease) of the immune response
Recurrent infection may develop in some patients despite minimization of their immunosuppression.Jay A. Fishman, The New England Journal of Medicine

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