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.
Organizers called off the start of the Challenger Series portion of the competition on Wednesday, July 30, due to itty-bitty surf and a funky wind that was mucking up the conditions even more. Laylan Connelly, Oc Register, 30 July 2025 Some of what mucks up the beaches can come from nature. Laylan Connelly, Oc Register, 6 June 2025 The Preakness at 1 3/16 miles is slightly shorter than the 1 1/4-mile Kentucky Derby, but there’s optimism about close-to-normal conditions after nearly a week’s worth of rain fell on Baltimore and mucked up the dirt track at Pimlico Race Course. Stephen Whyno, Baltimore Sun, 16 May 2025 Chicago Tribune The Preakness at 1 3/16 miles is slightly shorter than the 1 1/4-mile Kentucky Derby, but there’s optimism about close-to-normal conditions after nearly a week’s worth of rain fell on Baltimore and mucked up the dirt track at Pimlico Race Course. Stephen Whyno, Chicago Tribune, 16 May 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 20 Aug. 2025.

Last Updated: - Updated example sentences
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