myositis

noun

myo·​si·​tis ˌmī-ə-ˈsī-təs How to pronounce myositis (audio)
: soreness of voluntary muscle due to inflammation

Examples of myositis 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.
In recent years, an awful muscle-wasting disease — inclusion-body myositis — has robbed Krukow of his physical mobility. — Dieter Kurtenbach, Mercury News, 6 Aug. 2026 Since the mid-2000s, Krukow has been battling inclusion body myositis, a rare, progressive and incurable muscle disease. — Carlos E. Castañeda, CBS News, 6 Aug. 2026 The filmmaker has previously spoken about having myositis — a disease where the immune system attacks the muscles — which has significantly affected his mobility. — Rino Lu, IndieWire, 28 July 2026 The musician shares an update on his battle with the muscle disease inclusion body myositis, which he's been living with since 2019. — Leigh Blickley, Entertainment Weekly, 5 June 2026 See All Example Sentences for myositis

Word History

Etymology

New Latin, irregular from Greek mys muscle, mouse

First Known Use

circa 1807, in the meaning defined above

Time Traveler
The first known use of myositis was circa 1807

Rhymes for myositis

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Browse Nearby Words

myosis
myositis
myosmine
See all Nearby Words

Cite this Entry

“Myositis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/myositis. Accessed 12 Aug. 2026.

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Medical Definition

myositis

noun
myo·​si·​tis ˌmī-ə-ˈsīt-əs How to pronounce myositis (audio)
: muscular discomfort or pain from infection or an unknown cause

More from Merriam-Webster on myositis

Britannica.com: Encyclopedia article about myositis

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