The state or condition of being duplicitous.(noun)
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Use "duplicitousness" in a sentence
"You are absolutely right to point out their sanctimonious duplicitousness however, my biggest issue with liberalism."
"Unfortunately -- aside from just the spuriousness of Clinton's invective itself -- this reinforces the perception of duplicitousness and double-talk."
"But for McCain to hold those two positions simultaneously requires no duplicitousness and no tortured logic."