View synonyms for muck-up


[ muhk-uhp ]


, Informal.
  1. a bungled or disordered situation; foul-up.

muck up


  1. tr to ruin or spoil; make a mess of
  2. intr to misbehave

Discover More

Word History and Origins

Origin of muck-up1

First recorded in 1925–30; noun use of verb phrase muck up

Discover More

Idioms and Phrases

Bungle, damage, make a mess of, as in Don't let him write the review; he's sure to muck it up . This idiom alludes to the verb muck in the sense of “spread manure on.” [Early 1900s] For a synonym, see foul up .

Discover More

Example Sentences

The cops, of course, always attend Hempfest, not to muck up the vibe but to make sure no big, important laws are being flouted.

Even your dirty paper, Waldemar, wouldn't rake that kind of muck up after ten years.

If we leave go that muck up yon, it'll be like me dressin' for mass an' no rackin' down me hair, so it would.

And well might he say that, for she was covered with muck up to her waist.

He was covered with black muck up to his armpits, and some of the muck was on his hands and face.

It was good enough for you to want me to muck up out of the window, wasn't it?


Definitions and idiom definitions from Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.




mucksweatmuck-up day