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 That trademark defense that muddies the waters for many, mucking up rhythm and leaving teams feeling hot breath on necks barely slowed the high-flying Huskies. Bryce Miller, San Diego Union-Tribune, 29 Mar. 2024 The Grizzlies — without Ja Morant, Marcus Smart, Brandon Clarke and Luke Kennard — launched 3 after 3 and crashed the offensive glass hard, trying to muck up the game with shooting variance and physicality. Danny Emerman, The Mercury News, 20 Mar. 2024 The hilly landscapes block views of storms, mucking up storm-chasing efforts. Carolyn Wilke, Smithsonian Magazine, 1 Nov. 2023 He has been blamed for mismanaging the bullpen, mucking up the lineup and failing to put this team in a position to succeed. Bill Plaschke, Los Angeles Times, 12 Oct. 2023 The stick format means it can be applied without mucking up your hands, and older kids can apply it themselves. Mandy Harris, Travel + Leisure, 18 Oct. 2023 He has been blamed for mismanaging the bullpen, mucking up the lineup, and failing to put this team in a position to succeed. Dylan Hernández, Los Angeles Times, 12 Oct. 2023 Rapidly growing mega-constellations of internet satellites are already mucking up researchers’ observations of worlds beyond Earth. Justine Calma, The Verge, 2 Oct. 2023 Puddles of oozing tar have been showing up over the last week, mucking up car tires and anything else that gets mired in the sticky black substance. Jeremy Childs, Los Angeles Times, 15 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'muck up.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1896, in the meaning defined above

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

Dictionary Entries Near muck up

Cite this Entry

“Muck up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/muck%20up. Accessed 22 Apr. 2024.

Last Updated: - Updated example sentences
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