muck up

verb

mucked up; mucking up; mucks up

transitive verb

: to make a mess of : bungle, spoil

Examples of muck up in a Sentence

I swear, she mucks up everything she tries.
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.
If anyone was concerned about Rudy Gobert’s return to the lineup potentially mucking up what’s been a good Timberwolves offense of late, Sunday’s result had to alleviate some anxiety. Jace Frederick, Twin Cities, 10 Mar. 2025 Of all the crew members, Mouse is the most philosophical, speaking early about how the machines have mucked up the taste of his favorite cereal. Mathew Rodriguez, Them, 6 Mar. 2025 Are other people mucking up your flow? USA TODAY, 16 Feb. 2025 As might be expected, however, given that the legislation was promoted by champions of the regulatory state, both initiatives were mucked up with government mandates intended to sate favored special interests rather than to efficiently accomplish the task at hand. Editorial, Boston Herald, 19 Jan. 2025 See All Example Sentences for muck up

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of muck up was in 1896

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Cite this Entry

“Muck up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/muck%20up. Accessed 18 Apr. 2025.

Last Updated: - Updated example sentences
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