duplicity

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.

See duplicity in Webster's New World College Dictionary

hypocritical cunning or deception; double-dealing

Origin: ME duplicite < OFr duplicité < LL duplicitas < L duplicare: see duplex

See duplicity in American Heritage Dictionary 4

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:

Origin: Middle English duplicite

Origin: , from Old French

Origin: , from Late Latin duplicitās, doubleness

Origin: , from Latin duplex, duplic-, twofold; see dwo- in Indo-European roots

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