the act of giving something, especially medicine or medical treatment, in a way that was not intended

the misadministration of drugs 药物滥用

the misadministration of radiation

the act or process of managing an organization badly, wrongly, or in a way that was not intended

She has found evidence of misadministration by the industry regulators. 她发现了行业监管机构管理不善的证据。

We have seen misadministration and favouritism go unchecked.