Definition of "duplicity" []

• Deliberate deceptiveness in behavior or speech. (noun)
• An instance of deliberate deceptiveness; double-dealing. (noun)
• The quality or state of being twofold or double. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""They know me! they are cautious!" muttered Sybil, biting her lips with suppressed fury; for their forbearance, which she called duplicity, enraged her more than all their flirting had done."
• "Dayton used the word "duplicity" in referring to the way stadium talks broke up Nov. 2 over Zellers' e-mail to Republican caucus members opposing a special session."
• "The other Rebuplican duplicity is to label a piece of legislation opposite of it's intended purpose ( "Healthy Forest Initiative" = cut down the last of America's old-growth forest, "Clean Skies Initiative" = relax pollution laws, release more mercury, sulfer dioxide, etc.)"