unaccompaniedEnglishOxford Dictionary of Englishunaccompanied /ˌʌnəˈkʌmp(ə)nid / ▸ adjective 1 having no companion or escort: no unaccompanied children allowed. 2 taking place without something specified taking place at the same time: the political change was unaccompanied by social change. 3 (of a piece of music) sung or played without instrumental accompaniment: an unaccompanied violin elegy they sang unaccompanied.