noun an assurance that someone is healthy or something is in good condition; `the doctor gave him a clean bill of health` Found on https://www.encyclo.co.uk/local/20974
a certificate of health attesting the lack of a contagious disease, as on a ship. · an assurance, as by a doctor, that one is in good health. · an assurance, esp. an official verdict by a committee, that a group or an individual has proved, under investigation, to be morally sound, fit for office, etc. Found on https://www.infoplease.com/dictionary/clean-bill-of-health