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Region: General | Usage example: The campaign ran out of steam after week two.

Run out of steam

Meaning

Lose energy or momentum.

Usage

Used when enthusiasm decreases.

Origin & History

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

Steam engines losing pressure.

Industrial Revolution metaphor extended to people.

Related Idioms

Blow off steam

Release pent-up energy or frustration.

Blowing off steam

Releasing built-up stress or frustration.

Full steam ahead

Proceed with maximum effort.

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.