Pronunciation: /laʊs ʌp/
noun A singular form of the word 'lice', which refers to a small, wingless insect that infests the hair or skin of humans and animals.
A1 I made a louse up in my presentation and forgot to include an important slide.
A2 She always manages to louse up simple tasks by overthinking them.
B1 The new intern is afraid he will louse up the project if he doesn't ask for help.
B2 Despite his best efforts, he still managed to louse up the negotiation with his unrealistic demands.
C1 The CEO's decision to cut corners ended up being a louse up that cost the company millions in fines.
C2 The renowned chef's attempt to innovate the menu turned out to be a louse up when customers complained about the changes.
verb To mess up or ruin something, to make a mistake or error that causes problems or failure.
A1 I loused up my homework by spilling water on it.
A2 She loused up the recipe by adding too much salt.
B1 The new employee loused up the presentation by forgetting key points.
B2 I hope I don't louse up the interview with my nervousness.
C1 The politician loused up his chances of winning the election with a scandal.
C2 The director loused up the film with poor casting choices.
formal The new employee managed to louse up the presentation with incorrect data.
informal I really hope I don't louse up my interview tomorrow.
slang Don't worry, you won't louse it up. Just be yourself.
figurative His bad decisions really loused up the company's chances for success.
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