1
: a state or instance of confusion
2
3

Examples of mix-up in a Sentence

there was a mix-up at the airport and our luggage was accidentally sent to Ohio
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.
Rather than being upset, Luca decided to share the bizarre discovery with humor, posting a lighthearted video about his mistaken identity mix-up. Alice Gibbs, MSNBC Newsweek, 24 Oct. 2025 When the topic of on-camera bloopers came up, Melvin, 46, recalled a mix-up that could’ve led to some legal issues for the NBC morning show. Liza Esquibias, PEOPLE, 22 Oct. 2025 The giant impact mix-up The prevailing theory of Earth’s formation posits that roughly 100 million years after the proto-Earth formed, a Mars-sized object slammed into it. Mrigakshi Dixit, Interesting Engineering, 14 Oct. 2025 And now everyone's clamoring for changes and mix-ups and quick fixes. Nick Suss, Nashville Tennessean, 13 Oct. 2025 See All Example Sentences for mix-up

Word History

First Known Use

1841, in the meaning defined at sense 1

Time Traveler
The first known use of mix-up was in 1841

Browse Nearby Words

Cite this Entry

“Mix-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mix-up. Accessed 28 Oct. 2025.

Kids Definition

mix-up

noun
ˈmik-ˌsəp
: an instance of confusion

More from Merriam-Webster on mix-up

Last Updated: - Updated example sentences
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