immune response

noun

: a bodily response to an antigen that occurs when lymphocytes identify the antigenic molecule as foreign and induce the formation of antibodies and lymphocytes capable of reacting with it and rendering it harmless

called also immune reaction

Examples of immune response 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.
Goat yogurt is rich in probiotics such as Lactobacillus bulgaricus, which is essential for balancing the gut microbiome and critical for immune response, brain health, and even mood. Alessandra Signorelli, Vogue, 21 Feb. 2026 Inflammation is a natural immune response, but chronic inflammation can actually suppress your immune system. Lauren Manaker, SELF, 17 Feb. 2026 Skin Issues Some skin conditions—particularly those associated with immune responses, including eczema, psoriasis, and rosacea—may be linked to gut health. Rena Goldman, Health, 17 Feb. 2026 Inflammation is a normal immune response, but chronic, low-level inflammation that persists over time has been linked to conditions such as heart disease and metabolic conditions, according to Cleveland Clinic. Kelly McGreal, FOXNews.com, 15 Feb. 2026 See All Example Sentences for immune response

Word History

First Known Use

1923, in the meaning defined above

Time Traveler
The first known use of immune response was in 1923

Browse Nearby Words

Cite this Entry

“Immune response.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immune%20response. Accessed 23 Feb. 2026.

Kids Definition

immune response

noun
: a bodily response to a foreign substance, cell, or tissue that involves the formation of antibodies and cells capable of reacting with it and rendering it harmless

called also immune reaction

Medical Definition

immune response

noun
: a bodily response to an antigen that occurs when lymphocytes identify the antigenic molecule as foreign and induce the formation of antibodies and lymphocytes capable of reacting with it and rendering it harmless

called also immune reaction

Last Updated: - Updated example sentences
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