From Longman Dictionary of Contemporary Englisha clean bill of healtha clean bill of healthHEALTHYa report that says you are healthy or that a machine or building is safe Inspectors gave the factory a clean bill of health. → clean
Examples from the Corpus
a clean bill of health• Three months after the operation, the doctors gave her a clean bill of health.• They gave it a clean bill of health.• Charles ended up with a clean bill of health and a parking ticket.• The influential Bell study gave them largely a clean bill of health as a model for determining disputes concerning entitlement to benefit.• If the ship was given a clean bill of health, Customs Officials went on board.• And with a clean bill of health, Granato is promising to be same kind of performer he always was. 