Duplicity

[doo-plis-i-tee, dyoo-] /duˈplɪs ɪ ti, dyu-/

noun, plural duplicities for 2, 3.
1.
deceitfulness in speech or conduct, as by speaking or acting in two different ways to different people concerning the same matter; double-dealing.
Synonyms: deceit, deception, dissimulation, fraud, guile, hypocrisy, trickery.
Antonyms: candidness, directness, honesty, straightforwardness.
2.
an act or instance of such deceitfulness.
3.
Law. the act or fact of including two or more offenses in one count, or charge, as part of an indictment, thus violating the requirement that each count contain only a single offense.
4.
the state or quality of having two elements or parts; being twofold or double.
/djuːˈplɪsɪtɪ/
noun (pl) -ties
1.
deception; double-dealing
n.

early 15c., from Old French duplicite (13c.), from Late Latin duplicitatem (nominative duplicitas) “doubleness,” in Medieval Latin “ambiguity,” noun of quality from duplex (genitive duplicis) “twofold.” The notion is of being “double” in one’s conduct (cf. Greek diploos “treacherous, double-minded,” literally “twofold, double”).

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