IdiomDaily LifeEnglish

use one's wits

Meaning: To use one's intelligence, knowledge, or wisdom.

Example: “Lost without a map, she had to use her wits to find the trail.”

Origin: "Wit" traces to Old English witan, to know, and named mental sharpness and quickness of understanding long before it narrowed to its modern, considerably smaller sense of humor. The related idiom "at one's wits' end" — utterly perplexed, with no idea how to proceed — is documented as far back as William Langland's Piers Plowman, around 1377, describing even astronomers, presumably among the sharpest minds available, as thoroughly stumped. "Use one's wits," drawing on that same old sense of mental faculties, describes actively drawing on quick thinking, resourcefulness, and sound judgment to handle a difficult situation — the positive, active counterpart to being at their end with nothing left to draw on.

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