Definition of impropriety noun from the Oxford Advanced Learner's Dictionary

 

impropriety

 noun
noun
BrE BrE//ˌɪmprəˈpraɪəti//
 
; NAmE NAmE//ˌɪmprəˈpraɪəti//
 
[uncountable, countable](pl. improprieties)(formal) Immoral
 
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behaviour 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 related entries: Immoral Word Origin early 17th cent. (also in the sense ‘inaccuracy’): from French impropriété or Latin improprietas, from improprius, from in- ‘not’ + proprius ‘one's own, proper’.Extra examples Parliament was was accused of constitutional impropriety. Several employees were suspended amid allegations that financial improprieties had been committed. There is no suggestion of impropriety by the minister. a company accused of financial improprieties and fraud
See the Oxford Advanced American Dictionary entry: impropriety