unknown
US /ʌnˈnoʊn/
UK /ʌnˈnoʊn/

1.
desconocido
not known or familiar
:
•
The cause of the accident is still unknown.
La causa del accidente aún es desconocida.
•
She ventured into unknown territory.
Se aventuró en territorio desconocido.
desconocido
not known or familiar