adjective. Given to or marked by deliberate deceptiveness in behavior or speech.

adjective. exhibiting duplicity{2}; deceitful; double-dealing.

adjective. Given to or marked by deliberate deceptiveness in behavior or speech.

adjective. marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another

"The moment of high drama came when members of the Iraqiya bloc - which, by a slim margin, won more seats in Iraq's 325-member parliament than any other bloc - walked out of the session to protest what they called duplicitous tactics by political rivals and broken promises to roll back a controversial law that they feel unfairly targeted their members."

dishonest  dishonorable  

duplicate  duplicitously  duplicitousness  duplicity  

Janus-faced  accurate  back-street  covetous  deep-pocketed  

ambidextrous  deceitful  double-dealing  two-faced