immunosuppressive

1 of 2

adjective

im·​mu·​no·​sup·​pres·​sive ˌi-myə-nō-sə-ˈpre-siv How to pronounce immunosuppressive (audio)
i-ˌmyü-nō-
: causing or characterized by immunosuppression
This pneumonia is characteristically an opportunistic infection, occurring in people whose immune system has been profoundly impaired by cancer or by powerful immunosuppressive drugs.William L. Heyward and James W. Curran
Progression of conditions associated with human papillomavirus, such as cutaneous warts, is common in patients receiving long-term immunosuppressive therapy after transplantation.Nektarios I. Lountzis et al.

immunosuppressive

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noun

plural immunosuppressives
: immunosuppressant
The trials may also be too risky for people who are severely immunocompromised—i.e., you have cancer or take immunosuppressives.Julia Ries

Examples of immunosuppressive in a Sentence

Recent Examples on the Web
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Adjective
One of the best ways to control feline leukemia and feline immunosuppressive virus in community cats is to spay and neuter them. Rashad Williams, CBS News, 22 Apr. 2026 As expected, the immunosuppressive therapy made her hair fall out. Théoden Janes, Charlotte Observer, 11 Mar. 2026
Noun
However, the short-term release of cortisol is not bad, as cortisol is known to have immunosuppressive and anti-inflammatory effects. Dominique Fluker, Essence, 14 June 2023 In the interim, Annie was already undergoing an intensive immunosuppressive therapy that would soon cause her waist-length blond hair to thin — and eventually fall out. Théoden Janes, Charlotte Observer, 11 Mar. 2026 See All Example Sentences for immunosuppressive

Word History

Etymology

Adjective

immuno- + suppressive, after immunosuppression

Noun

derivative of immunosuppressive entry 1

First Known Use

Adjective

1963, in the meaning defined above

Noun

1965, in the meaning defined above

Time Traveler
The first known use of immunosuppressive was in 1963

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Cite this Entry

“Immunosuppressive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immunosuppressive. Accessed 7 Jul. 2026.

Medical Definition

: causing or characterized by immunosuppression
… graft-versus-host disease strikes the skin, gut, liver and lymph tissues and can lead to death unless rapidly brought under control by immunosuppressive drugs.Joan Arehart-Treichel, Science News
These drugs may also have immunosuppressive actions, which may contribute to their ability to induce permanent remissions of Graves' disease.Kiyoshi Hashizume et al., The New England Journal of Medicine

immunosuppressive

2 of 2 noun
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