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Region: US | Usage example: The sudden policy change was a real curveball.

Curveball

Meaning

An unexpected challenge or piece of news.

Usage

Used to describe surprises that require adaptation.

Origin & History

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

Baseball pitch that bends unexpectedly.

Popularized in the 20th century as baseball metaphors spread.

Related Idioms

Push the envelope

Challenge limits or experiment beyond norms.

Out of left field

Unexpected or surprising.

Pennies from heaven

Unexpected good luck or income.

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.