No anunciado (en. Unannounced)

Translation into Spanish

Finally on 30 December, at a card composed exclusively of unannounced matches, Ospreay lost to Havoc.
Finalmente, el 30 de diciembre, en un evento compuesto de luchas no anunciadas, Ospreay perdió contra Havoc.
Example taken from data source: WikiMatrix_v1
Jenny's mom popped up unannounced.
La madre de Jenny apareció sin avisar.
Example taken from data source: OpenSubtitles_v2018
A number of polling stations opened late, did not open at all, or were relocated unannounced.
Varios colegios electorales abrieron tarde, no abrieron o fueron cambiados de lugar sin avisar.
Example taken from data source: UNPC_v1.0
Lady Catherine de Bourgh, who has heard rumours of an engagement between Darcy and Elizabeth but wants him to marry her sickly daughter Anne, pays Elizabeth an unannounced visit.
Lady Catherine de Bourgh, quien ha escuchado rumores acerca del compromiso entre Darcy y Elizabeth, pero quiere casarlo con su hija enferma Anne, realiza una visita inesperada a Elizabeth.
Example taken from data source: WikiMatrix_v1
On-the-spot checks shall be unannounced.
Los controles sobre el terreno se efectuarán de manera inopinada.
Example taken from data source: JRC-Acquis_v3.0
According to Don DeVito, a representative for Columbia Records, the possibility of forming a band and touring the United States playing unannounced concerts was already being discussed at this point.
Según Don DeVito, representante de Columbia Records, la posibilidad de formar una banda y salir de gira por los Estados Unidos tocando conciertos sin anuncio previo estaba siendo discutido en aquel momento.
Example taken from data source: Wikipedia_v1.0
This is an unannounced visit, Vern.
Esta es una visita no anunciada, Vern.
Example taken from data source: OpenSubtitles_v2018