From Longman Dictionary of Contemporary Englishduplicitydu‧plic‧i‧ty /djuːˈplɪsəti $ duː-/ noun [uncountable] DISHONESTdishonest behaviour that is intended to deceive someone —duplicitous adjective
Examples from the Corpus
duplicity• My life developed into a duplicity.• I saw it most in our native duplicity.• Creatures have no duplicity, like man.• Nor will I tolerate any lying or duplicity.• It was uncomfortable having to keep up a false front, and we regretted the distance our duplicity created.• What was it to her if he chose to conduct himself with duplicity?From Longman Business Dictionaryduplicitydu‧plic‧i‧ty /djuːˈplɪsətiduː-/ noun [uncountable] formal dishonest behaviour that is intended to deceive someoneShe accused him of duplicity in the negotiations. —duplicitous adjectiveOrigin duplicity (1400-1500) French duplicité, from Latin duplex; → DUPLEX 