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

 

duplicitous

 adjective
adjective
BrE BrE//djuːˈplɪsɪtəs//
 
; NAmE NAmE//duːˈplɪsɪtəs//
 
(formal)
 
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dishonest in a way that is intended to make somebody believe something which is not true synonym deceitful The leaked documents reveal the duplicitous nature of government propaganda.