Duplicity is defined as deception or a lie.noun
An example of duplicity is when a person has pretended to be someone who he is not.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
noun pl. duplicities
Origin: ME duplicite < OFr duplicité < LL duplicitas < L duplicare: see duplex
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noun pl. du·plic·i·ties
- a. Deliberate deceptiveness in behavior or speech.b. An instance of deliberate deceptiveness; double-dealing.
- The quality or state of being twofold or double.
Origin: Middle English duplicite, from Old French, from Late Latin duplicitās, doubleness, from Latin duplex, duplic-, twofold; see dwo- in Indo-European roots.