WordReference English-Spanish Dictionary © 2014:

Principal Translations
desconocer vtrverbo transitivo: Verbo que requiere de un objeto directo ("di la verdad", "encontré una moneda"). (no saber algo)not know vtrtransitive verb: Verb taking a direct object--for example, "Say something." "She found the cat."
   (disapproving: be uninformed about)be ignorant of v exprverbal expression: Phrase with special meaning functioning as verb--for example, "put their heads together," "come to an end."
   (not be aware of)be in the dark about, be unaware of, be unconscious of v exprverbal expression: Phrase with special meaning functioning as verb--for example, "put their heads together," "come to an end."
 Desconocen los motivos por los que decidió cerrar el local.
 They do not know why he decided to shut down the pub.
desconocer vtrverbo transitivo: Verbo que requiere de un objeto directo ("di la verdad", "encontré una moneda"). (no reconocer)  (UK: fail to identify)not recognise vtrtransitive verb: Verb taking a direct object--for example, "Say something." "She found the cat."
   (US)not recognize vtrtransitive verb: Verb taking a direct object--for example, "Say something." "She found the cat."
   (fail to accept or admit)not acknowledge vtrtransitive verb: Verb taking a direct object--for example, "Say something." "She found the cat."
 Desconozco al pueblo en el que crecí porque ha cambiado mucho.
 I don't recognise the village of my birth when I see what it has become.
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'desconocer' found in these entries
In the Spanish description:
English:

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