Definition of duplicity

• n. - Doubleness; a twofold state.
• n. - 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.
• n. - The use of two or more distinct allegations or answers, where one is sufficient.
• n. - In indictments, the union of two incompatible offenses.