Synonyms of muck up

muck up

verb

as in to fumble

to make or do (something) in a clumsy or unskillful way

I swear, she mucks up everything she tries

Synonyms & Similar Words

• fumble
• blow
• screw up
• foul up
• ruin
• goof (up)
• boot
• dub
• murder
• spoil
• mess (up)
• butcher
• destroy
• botch
• louse up
• bungle
• bugger (up)
• boggle
• fluff
• muff
• mangle
• damage
• mar
• bollix (up)
• bumble
• gum (up)
• flub
• foozle
• wreck
• muddle
• flaw
• injure
• bobble
• hurt
• blunder
• harm
• impair
• blight
• mutilate
• blemish
• vitiate
• piffle
• mismanage
• mishandle

Antonyms & Near Antonyms

• improve
• better
• help
• enhance
• remedy
• reform
• refine
• ameliorate
• rectify
• patch
• repair
• fix
• meliorate
• revamp
• renovate
• recondition
• doctor

Example Sentences

Recent Examples of muck up

Sure, all this meddling does muck up the pacing somewhat, but who cares? — Jeff Spry, Space.com, 27 Apr. 2026

Teams continue to sag off Hart in the half court to try to muck up New York’s offense. — James L. Edwards Iii, New York Times, 10 Apr. 2026

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

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