pay back

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Meaning · English

To pay (a debt or the lender) so as to provide the entire amount of money owed.

Where it’s used: Used American English

Examples

Douglas: Roy, give me £20. Roy: What? Douglas: Give me £20. I'll pay you back.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 2

Meaning · English

To avenge, to exact revenge.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “pay back” mean?

To pay (a debt or the lender) so as to provide the entire amount of money owed.

Is “pay back” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.