[du.plic.i.ty] n, pl -ties [ME duplicite, fr. MF, fr. LL duplicitat-, duplicitas, fr. L duplex] (15c) 1: contradictory doubleness of thought, speech, or action; esp: the belying of one's true intentions by deceptive words or action
2: the quality or state of being double or twofold
3: the technically incorrect use of two or more distinct items (as claims, charges, or defenses) in a single legal action