inflammation

noun

in·​flam·​ma·​tion ˌin-flə-ˈmā-shən How to pronounce inflammation (audio)
Synonyms of inflammationnext
1
: a local response to cellular injury that is marked by capillary dilatation, leukocytic infiltration, redness, heat, and pain and that serves as a mechanism initiating the elimination of noxious agents and of damaged tissue
2
: the act of inflaming : the state of being inflamed

Examples of inflammation in a Sentence

The drug is used to reduce inflammation. inflammations of the throat and ears
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.
These nutrient-dense juice combinations may help reduce inflammation, improve digestion, and more. Jennifer Berger, Verywell Health, 25 May 2026 If more evidence shows GLP-1 drugs are found to reduce the chance of cancer progressing, the researchers also want to figure out why and have many possible hypotheses at the moment, including the drug changing the immune system, acting directly on tumor cells and reducing inflammation. Victoria Forster, Forbes.com, 25 May 2026 An investigational dementia drug may also ease alcohol withdrawal by calming the brain inflammation linked to addiction and relapse. Melissa Rudy, FOXNews.com, 25 May 2026 But some vegetables come up more often than others—and that's because certain nutrients have been especially linked to better blood pressure, lower inflammation, healthier cholesterol levels, and improved circulation. Lynn Andriani, Martha Stewart, 24 May 2026 See All Example Sentences for inflammation

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of inflammation was in the 15th century

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Cite this Entry

“Inflammation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inflammation. Accessed 27 May. 2026.

Kids Definition

inflammation

noun
in·​flam·​ma·​tion ˌin-flə-ˈmā-shən How to pronounce inflammation (audio)
1
: the act of inflaming : the state of being inflamed
2
: a bodily response to injury in which heat, redness, pain, swelling, and more than the usual amount of blood are present in the area affected

Medical Definition

inflammation

noun
in·​flam·​ma·​tion ˌin-flə-ˈmā-shən How to pronounce inflammation (audio)
: a local response to cellular injury that is marked by capillary dilatation, leukocytic infiltration, redness, heat, pain, swelling, and often loss of function and that serves as a mechanism initiating the elimination of noxious agents and of damaged tissue
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