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.
However, other studies on those additives have found disruptions in gut microbiota and inflammation. Sandee Lamotte, CNN Money, 11 Feb. 2026 Both coffee and tea contain bioactive ingredients such as polyphenols and caffeine, which may reduce inflammation and cellular damage while defending against cognitive decline. Khloe Quill, FOXNews.com, 10 Feb. 2026 In addition, Andrew Wiggins is listed as questionable with toe inflammation. Ira Winderman, Sun Sentinel, 10 Feb. 2026 Research suggests that coffee may even help boost certain fasting benefits, such as improving weight management, supporting metabolism, and reducing inflammation. Cristina Mutchler, Verywell Health, 10 Feb. 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

Browse Nearby Words

Cite this Entry

“Inflammation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inflammation. Accessed 12 Feb. 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
Last Updated: - Updated example sentences
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