from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from The Century Dictionary.

  • noun In biology, the division of a part of the body of an organism, such as a limb or a digit, into two equivalent parts which may be regarded as equivalent to normal single members.
  • noun The state of being double; doubleness.
  • noun Doubleness of heart or speech; the acting or speaking differently in relation to the same thing at different times or to different persons, with intention to deceive; the practice of deception by means of dissimulation or double-dealing.
  • noun In law, the pleading of two or more distinct matters together as if constituting but one.

from the GNU version of the Collaborative International Dictionary of English.

  • noun Archaic Doubleness; a twofold state.
  • noun Doubleness of heart or speech; insincerity; a sustained form of deception which consists in entertaining or pretending to entertain one set of feelings, and acting as if influenced by another; bad faith.
  • noun The use of two or more distinct allegations or answers, where one is sufficient.
  • noun In indictments, the union of two incompatible offenses.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Intentional deceptiveness; double-dealing.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a fraudulent or duplicitous representation
  • noun acting in bad faith; deception by pretending to entertain one set of intentions while acting under the influence of another


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English duplicite, from Old French, from Late Latin duplicitās, doubleness, from Latin duplex, duplic-, twofold; see dwo- in Indo-European roots.]


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  • this is the most stupidest word ever.

    September 21, 2011