double-dealing I. \ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷ ̷ ̷\noun Etymology:double (I) + dealing, from gerund of deal : deception by action contradictory to an attitude professed or a role assumed : duplicity < incompetence in many places, ignorance in others, and downright double-dealing in still others — F.V.W.Mason > Synonyms:see deception II. \| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷\adjective Etymology:double (IV) + dealing, from present participle of deal : given to or marked by duplicity