multiworld UK /ˈmʌltiˌwɜːld/US /ˈmʌltaɪˌwɜːɹld/adjective 3noun 1forms 1 adjective3 •Consisting of, in influenced by, multiple worlds.Having lived in both countries, she possessed a multiworld perspective. •Inhabiting multiple planets or satellites.One day humans may become a multiworld species. •Of a randomizer mod, connecting multiple games or instances of the same game. noun1 •A randomizer mod connecting multiple games or instances of the same game, with such potentially played by different people. formsmultiworlds