Definition of “a clean sheet/slate” - English Dictionary

british dictionary

“a clean sheet/slate” in British English

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a clean sheet/slate

informal

the situation in which people decide to forget your past behaviour, usually because it was not good:

You were very lazy last term, but we'll start again with a clean sheet this term.

(Definition of “a clean sheet/slate” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)