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



BrE BrE//menˈdæsəti//
; NAmE NAmE//menˈdæsəti//
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the act of not telling the truth synonym lying politicians accused of hypocrisy and mendacity Word Origin mid 17th cent.: from ecclesiastical Latin mendacitas, from mendax, mendac- ‘lying’, related to mendum ‘fault’.
See the Oxford Advanced American Dictionary entry: mendacity