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hack up

B2 informal separable both
In simple words

To cut something into rough pieces, or to cough a lot in a difficult, unpleasant way.

Literal meaning: To hack (cut roughly) something upward or into pieces.

Meanings

1 B1 neutral

To cut something into rough, uneven pieces.

"She hacked up the fallen tree and stacked the wood by the shed."

Grammar: separable
2 B2 idiomatic informal

To cough repeatedly and with effort, often producing mucus.

"He was hacking up all night with that terrible chest infection."

Grammar: inseparable
3 B2 idiomatic informal

To damage or ruin something (a text, plan, or creative work) by making too many rough edits or changes.

"The director completely hacked up the original screenplay."

Grammar: separable
Usage notes

The cutting sense is used for both physical objects and figurative destruction (e.g. hacking up a piece of writing). The coughing sense is colloquial and used to describe persistent, loud, or painful coughing. Both senses appear in British and North American English.

Commonly used with

wood cough code body script phlegm

Forms

Base
hack up
I/you/we/they
3rd person
hacks up
he/she/it
Past simple
hacked up
yesterday
Past participle
hacked up
have + pp
-ing form
hacking up
continuous

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