skyjack /ˈskaɪd͡ʒæk/verb 1noun 1forms 3 verb1 •To steal or commandeer (hijack) an airplane, usually by threat of violence to the passengers and/or crew members. noun1 •Synonym of scissor lift.Concrete was placed continuously, with an observer in a skyjack above the column communicating with the pump operator to avoid overfilling[...] — 2003 formsskyjacked · skyjacking · skyjacks