double-dealing
/ˌdə-bəl-ˈdē-liŋ/
noun
action contradictory to a professed attitude : duplicity
deception fraud double-dealing subterfuge trickery mean the acts or practices of one who deliberately deceives. deception may or may not imply blameworthiness, since it may suggest cheating or merely tactical resource. fraud always implies guilt and often criminality in act or practice.
adjective
given to or marked by duplicity