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Region: General | Usage example: Keep your powder dry until we know more about the situation.

Keep your powder dry

Meaning

Stay prepared and avoid acting rashly.

Usage

Used when caution and readiness go hand in hand.

Origin & History

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

Gunpowder had to remain dry to fire properly, so the phrase means stay ready.

Dating to the 17th century, it became a military proverb.