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throw up

A2 informal separable both
In simple words

To be sick and have food come back up from your stomach, or to suddenly show or create something.

Literal meaning: To hurl something upward into the air.

Meanings

1 A2 idiomatic informal

To vomit; to expel the contents of the stomach through the mouth.

"She felt so nauseous on the boat that she threw up over the side."

"I feel like I'm going to throw up."

— Common idiomatic expression; representative example from 'The Perks of Being a Wallflower' by Stephen Chbosky, 1999
Grammar: inseparable
2 B2 idiomatic neutral

To produce, reveal, or bring something to light, often unexpectedly.

"The audit threw up several serious accounting irregularities."

Grammar: separable
3 B1 idiomatic informal

To erect or construct something rapidly.

"They threw up a temporary fence around the construction site overnight."

Grammar: separable
4 C1 idiomatic formal

To abandon or give up a job, position, or opportunity.

"He threw up his career in finance to become a painter."

Grammar: separable
Usage notes

The vomiting sense is universally understood and used across all English-speaking regions. The sense of 'producing' something (e.g. 'the investigation threw up new evidence') is more British. The sense of abandoning ('throw up a job') is relatively rare and formal.

Commonly used with

evidence problems questions dust barrier job

Forms

Base
throw up
I/you/we/they
3rd person
throws up
he/she/it
Past simple
threw up
yesterday
Past participle
thrown up
have + pp
-ing form
throwing up
continuous

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Synonyms

vomit be sick retch produce generate raise

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