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Region: US | Usage example: You can bank on it that she will follow through.

You can bank on it

Meaning

Trust that something will happen.

Usage

Used to express certainty.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Banking imagery about guaranteed deposits.

Used in American speech since the 20th century.

Related Idioms

Bank on it

Depend on something with confidence

You can take it to the bank

You can trust this absolutely.

Money in the bank

Something reliable or guaranteed

More Idioms

Break the ice

To do or say something to relieve tension or get conversation going in a social situation.

Cut to the chase

Skip ahead to the most important or exciting part of something.

The ball is in your court

It is now your turn to take action or make a decision.

Throw in the towel

To concede defeat or admit a struggle isn't worth continuing.