NSU
From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilityNSUNSU /ˌen es ˈjuː/ noun [uncountable] medical MI (non-specific urethritis) an infection of the urethraExamples from the CorpusNSU• I have no doubt that he would have been diagnosed as NSU today and treated accordingly.• It is not surprising that NSU neurosis occurs in many cases.