Oxford Dictionary English defensive medicine nounnoun BrE BrE//dɪˌfensɪv ˈmedsn// , BrE//dɪˌfensɪv ˈmedɪsn// ; NAmE NAmE//dɪˌfensɪv ˈmedɪsn// [uncountable] (especially North American English) Add to my wordlistjump to other resultsmedical treatment that involves more tests, operations, etc. than a person really needs because a doctor is worried that a claim or complaint may be made against them in court if they make a mistake in the treatment they giveSee defensive medicine in the Oxford Advanced American DictionaryCheck pronunciation: defensive medicine oxfordlearnersdictionaries.com