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
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.
Noun
By resolving payment mismatches, ESCROWPay™ aims to eliminate the costly burden of inaccuracies, lost checks, and refunds, a problem that has cost carriers millions each quarter. Sixteen Ramos, USA Today, 19 Sep. 2025 Claim processing systems reject legitimate claims due to data mismatches. Tammy Hawes, Forbes.com, 18 Sep. 2025
Verb
Each duo might be destined or mismatched; the question is how to discern the difference. Sheri Linden, HollywoodReporter, 9 Sep. 2025 Yet, despite its biodiversity, protection is mismatched — while some countries (like Costa Rica and Colombia) have established large MPAs, others (including El Salvador, Guatemala, Peru, and Honduras) still protect less than 10% of their waters. Melissa Cristina Márquez, Forbes.com, 9 Sep. 2025 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 21 Sep. 2025.

Kids Definition

mismatch

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

More from Merriam-Webster on mismatch

Last Updated: - Updated example sentences
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