muck up

verb

mucked up; mucking up; mucks up
Synonyms of muck upnext

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.
Well, the first and third mucked up their stories with some overly contrived lore about cults and gods, and the fourth was an experiment for the formula that didn’t quite work. Alison Foreman, IndieWire, 23 Jan. 2026 Moisturizers that can do the heavy lifting of barrier repair and deep nourishment without sparking irritation or mucking up your makeup routine. Tatiana Boncompagni, InStyle, 22 Jan. 2026 Even when there’s a disparity in talent, Cronin has a history of inspiring grit, or strategically mucking up games to mask that deficiency. Aaron Heisen, Daily News, 19 Jan. 2026 At least not Will Welch, GQ’s longstanding editor-in-chief and global editorial director, who was absolutely zen about the threat of an atmospheric river mucking up the mag’s Men of the Year celebration last night. Chris Gardner, HollywoodReporter, 14 Nov. 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

Browse Nearby Words

Cite this Entry

“Muck up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/muck%20up. Accessed 27 Jan. 2026.

Last Updated: - Updated example sentences
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