duplicitous(redirected from duplicitousness)
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Given to or marked by deliberate deceptiveness in behavior or speech.
du•plic•i•tous(duˈplɪs ɪ təs, dyu-)
marked or characterized by duplicity.
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|Adj.||1.||duplicitous - marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another; "she was a deceitful scheming little thing"- Israel Zangwill; "a double-dealing double agent"; "a double-faced infernal traitor and schemer"- W.M.Thackeray|