desconocido

listen to the pronunciation of desconocido
İspanyolca - İngilizce
someone or something that is unfamiliar
confidential
fameless
unbeknown
newcomer
unknown

The symbol X usually stands for an unknown quantity in mathematics. - La letra x en matemáticas usualmente representa un valor desconocido.

Although most islands in the ocean have been mapped, the ocean floor is generally unknown. - Aunque la mayoría de las islas en el océano han sido mapeadas, el suelo oceánico es por lo general desconocido.

unknown, someone or something which is not known
undiscovered
unknown person
complete stranger