mismatch

1 of 2

noun

mis·​match ˈmis-ˌmach How to pronounce mismatch (audio)
plural mismatches
: a faulty or unsuitable match
New England plays St. Louis in Super Bowl XXXVI this evening, and on the face of it, this game is a mismatch, a blowout waiting to happen.William C. Rhoden
She is blood type O, and the donor heart and lungs she received in the first operation were blood type A. That mismatch triggered rejection by her immune system.Dan Vergano

mismatch

2 of 2

verb

mis·​match ˌmis-ˈmach How to pronounce mismatch (audio)
mismatched; mismatching

transitive verb

: to match (two people or things) wrongly or unsuitably
Let's say that you are afraid of boring your audience. One cause is mismatching the audience's need and the level of detail you provide.Liz Reyer

Examples of mismatch in a Sentence

Recent Examples on the Web
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Noun
The result is a quiet but profound mismatch between what modern medicine was built to do—identify targets and take aim at them—and the kinds of suffering many patients now bring into the exam room. Jason Liebowitz, The Atlantic, 12 May 2026 That mismatch is killing some of the planet’s most vital ecosystems, including California’s towering redwoods and the seagrass meadows along its coast, both of which store vast amounts of carbon and support complex webs of life. Annika Hammerschlag, Los Angeles Times, 12 May 2026
Verb
Brad Pitt and Morgan Freeman are mismatched detectives on the hunt for a madman enacting crimes in the style of the seven deadly sins. Los Angeles Times, 1 May 2026 Stacks of matching fabric bundles will look calmer and more cohesive than mismatched plastic bins. Mary Cornetta, Better Homes & Gardens, 26 Apr. 2026 See All Example Sentences for mismatch

Word History

First Known Use

Noun

1606, in the meaning defined above

Verb

1582, in the meaning defined above

Time Traveler
The first known use of mismatch was in 1582

Browse Nearby Words

Cite this Entry

“Mismatch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mismatch. Accessed 14 May. 2026.

Kids Definition

mismatch

verb
mis·​match
(ˈ)mis-ˈmach
: to match unsuitably or badly
mismatch noun

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