kɒmənˈdɪə(r) ˈhaɪ.dʒæk ˈpaɪ̯(ə)ɹɪt ˈpaɪ̯(ə)ɹɪt ˈpaɪ.ɹət ˌʃɪp ˈpleɪdʒəɹɪst take arbitrarily or by force The Cubans commandeered the plane and flew it to Miami copy illegally; of published material a ship that is manned by pirates someone who robs at sea or plunders the land from the sea without having a commission from any sovereign nation someone who uses another person's words or ideas as if they were their own