Duplicity

Webster's Dictionary of the English Language

·noun Doubleness; a twofold state.

II. Duplicity ·noun In indictments, the union of two incompatible offenses.

III. Duplicity ·noun The use of two or more distinct allegations or answers, where one is sufficient.

IV. Duplicity ·noun Doubleness of heart or speech; insincerity; a sustained form of deception which consists in entertaining or pretending to entertain one of feelings, and acting as if influenced by another; bad faith.