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

In this form, the organism can lie dormant for months to years in response to harsh environments, including those created by the human host’s immune response or medications meant to kill the parasite. —Kristen Rogers, CNN Money, 10 Jan. 2026

As well as testing the various systems on board, the crew will be test subjects themselves, helping Nasa understand the effects that space travel has on their cognition, sleep, stress, immune responses and cardiovascular health. —The Week, TheWeek, 7 Jan. 2026

This reduces the overactive immune response that causes psoriasis. —Ed Silverman, STAT, 6 Jan. 2026

During an immune response, the body produces reactive oxygen species (unstable molecules). —Sarah Bence, Verywell Health, 5 Jan. 2026

Word History

First Known Use

1923, in the meaning defined above

Rhymes for immune response

• bons
• hans
• launce
• nonce
• sconce
• esperance
• nonchalance
• nonresponse
• renaissance
• naissance

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