Question 1

What does "keep your powder dry" mean?

Accepted Answer

To remain cautious and save one's resources for when they are really needed.

Question 2

How do you use "keep your powder dry" in a sentence?

Accepted Answer

Don't spend all the budget in Q1 — keep your powder dry for the end of year push.

Question 3

Is "keep your powder dry" formal or informal?

Accepted Answer

"keep your powder dry" is formal — used mainly in written or official contexts. From Oliver Cromwell's alleged advice to soldiers about preserving gunpowder; now used for strategic patience.