pay back

phrasal verb·2 senses·particle back

Meanings

1

Return money that was borrowed

Why “back”? The action returns to the person who did it first.

I'll pay you back next week.
I'll return your money next week.
She paid back the loan early.
She returned the borrowed money early.
2

Take revenge on someone for something they did

He paid them back for the prank.
He took revenge on them for the prank.
They paid back the rival team.
They took revenge on the rival team.
I'll pay him back for what he did.
I'll get my revenge on him for what he did.

Don't confuse with

pay backpay off

Pay back means return money that was borrowed. Pay off means be successful or worthwhile in the end.

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I'll pay you back next week. What does it mean?

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