Definition of impious adjective from the Oxford Advanced Learner's Dictionary

 

impious

 adjective
adjective
BrE BrE//ˈɪmpiəs//
 
; NAmE NAmE//ˈɪmpiəs//
 
; BrE BrE//ɪmˈpaɪəs//
 
; NAmE NAmE//ɪmˈpaɪəs//
 
(formal)
 
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showing a lack of respect for God and religion opposite pious Word Origin mid 16th cent.: from Latin impius (from in- ‘not’ + pius ‘dutiful, pious’) + -ous.
See the Oxford Advanced American Dictionary entry: impious