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be on the hook.

Phrase / Idiom
Conversational
MEANING

To be responsible for fulfilling an obligation, especially paying money that is owed.

Use it for

Words that belong together

  • be on the hook for payment
  • remain on the hook to do something

On the page

Signing the guarantee put her on the hook for the unpaid rent.
The supplier remains on the hook to replace the damaged equipment.
Word forms
Base
be on the hook

Usage notes

Predicate idiom: be on the hook for something or to do something. Inflect be naturally: is/was/has been on the hook; hook stays singular. Register: informal. Commonness: moderately common; especially American English (qualitative editorial estimate, informed by dictionaries/corpus).

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