IdiomDaily LifeEnglish

wipe the slate clean

Meaning: To set a situation right or erase something bad.

Example: “The new year felt like a chance to wipe the slate clean.”

Equivalents in other languages

Origin: Slates were the ordinary medium of small-scale credit. Shopkeepers and publicans recorded what customers owed in chalk on a slate kept behind the counter, which is the origin of putting something on the slate for buying on credit, and settling the account meant the marks were wiped off and the slate returned to blank. The system was informal and entirely dependent on the record being visible and erasable, which is exactly what gives the idiom its force: wiping the slate does not conceal the debt or forgive it partially but removes the only evidence that it ever existed, restoring the relationship to its starting state. The phrase is attested in English from the 1800s, alongside the same slate's other use in schoolrooms.

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