screw up Informal

Meaning: If you screw something up, you ruin it or you do it the wrong way.

Synonym: muck up (informal), mess up, ruin

For example:

screw up Louise really screwed up this time. We paid a lot for a fancy brochure about our seminar - and she put the wrong dates on it!
screw sth up If she screws anything else up, she'll lose her job.

Nouns often used as objects with
screw up: job, exam, test, interview, presentation, demonstration

Quick Quiz:

When we told Louise that she'd screwed up the brochures, she was

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