immune
Americanadjective
-
protected from a disease or the like, as by inoculation or by having the necessary antibodies due to a previous infection (often followed byto ).
Most adults in the study were immune to yellow fever due to previous vaccination.
Since I had already had measles, I assumed I was immune.
-
of or relating to the production of antibodies or lymphocytes that can react with a specific antigen.
Crohn's disease is an abnormal immune reaction that causes the immune system to attack cells in the lining of the digestive tract.
-
exempt or protected.
He thought being rich made him immune from punishment, but he went to jail for his crimes.
-
not responsive or susceptible.
Over time writers are supposed to grow immune to criticism and let bad reviews roll off our backs.
You're certainly highly resistant to argument, and also immune to new ideas.
noun
adjective
-
protected against a specific disease by inoculation or as the result of innate or acquired resistance
-
relating to or conferring immunity See antibody
an immune body
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unsusceptible (to) or secure (against)
immune to inflation
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exempt from obligation, penalty, etc
noun
Other Word Forms
Etymology
Origin of immune
First recorded in 1400–50; late Middle English, from Latin immūnis “exempt,” from im- im- 2 + -mūnis ( see common)
Explanation
To be immune to something is to be resistant to it. If you had chickenpox as a child, you should be immune to it now. The adjective immune comes from the Latin word immunis, which means “exempt from public service.” If you're protected — or exempt — from disease, injury, work, insults, or accusations, then you're immune. Vaccinations serve to make people immune to certain diseases. Being a diplomat makes people immune to certain legal persecution. To be immune to bullying means that you don’t let the bad behavior of your peers get you down.
Vocabulary lists containing immune
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All American Boys
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, removing those immune cells did not eliminate the inflammation.
From Science Daily ● Nov. 5, 2026
"These immune cells unleash chemical warfare against a pathogen, and organisms have evolved an elegant way of protecting healthy cells at the same time."
From Science Daily ● Nov. 5, 2026
This unexpected behavior suggested that the 5-oxoETE pathway was doing something much more complicated than simply activating the immune system.
From Science Daily ● Nov. 5, 2026
Scientists have solved a biological mystery that remained unanswered for more than three decades, uncovering an unexpected way the immune system protects the body from its own inflammatory response.
From Science Daily ● Nov. 5, 2026
Those of us in the civil rights community are not immune to the racial stereotypes that pervade media imagery and political rhetoric; nor do we operate outside of the political context.
From "The New Jim Crow" by Michelle Alexander
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.