- Duplicity is defined as deception or a lie.
An example of duplicity is when a person has pretended to be someone who he is not.
duplicity definition by Webster's New World
Origin: Middle English duplicite ; from Old French duplicité ; from Late Latin duplicitas ; from Classical Latin duplicare: see duplex
duplicity definition by American Heritage Dictionary
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.