muck up
[verb]
Synonyms: ruin, blow (slang), botch, bungle, make a mess of, make a pig's ear of (informal), mess up, muff, spoil

[TahlilGaran] English Synonym Dictionary ▲

muck something ↔ up phrasal verb informal (see also muck)

1. British English to do something badly, so that you fail to achieve something Synonym : mess up:
I really mucked up my driving test first time.

2. to spoil something, especially an arrangement or plan Synonym : mess up:
The bad weather mucked up our plans for a picnic.

3. British English to make something dirty Synonym : mess up:
Who’s mucked up the carpet in here?

[TahlilGaran] Dictionary of Contemporary English ▲

muck something up
muck (something) up
to make a situation more confusing or difficult.
Our leaders have demonstrated their great talent for mucking things up.

Don't muck up our lives just because he was misbehaving.

Related vocabulary: muddy the waters

[TahlilGaran] English Idioms Dictionary ▲

muck up
muck (something) up
to make a situation more confusing or difficult.
Our leaders have demonstrated their great talent for mucking things up.

Don't muck up our lives just because he was misbehaving.

Related vocabulary: muddy the waters

[TahlilGaran] English Idioms Dictionary ▲