Definition of impropriety noun from the Oxford Advanced American Dictionary

 

impropriety

 noun
noun
NAmE//ˌɪmprəˈpraɪət̮i//
 
[uncountable, countable](pl. improprieties)(formal)
 
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behavior or actions that are dishonest, morally wrong, or not appropriate for a person in a position of responsibility There was no evidence of impropriety. accusations of financial impropriety He said that he would resign his post if the public felt he had engaged in improprieties. opposite propriety
See the Oxford Advanced Learner's Dictionary entry: impropriety