Region: General | Usage example: After the apology, she wanted a clean slate with her colleagues.

Clean slate

Meaning

Start over without being judged for past mistakes.

Used when someone seeks a fresh start in relationships or work.

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

Metaphor from wiping a chalkboard or slate clean.

Used in classrooms and military settings before entering common parlance.