Definitions for unmanʌnˈmæn
Random House Webster's College Dictionary
to deprive of courage or fortitude; break down the manly spirit of.
to deprive of virility; emasculate; castrate.
Origin of unman:
cause to lose one's nerve
"an unmanning experience"
To castrate; to remove one's manhood.
To sap the strength, whether physical or emotional, required to deal with a situation.
to deprive of the distinctive qualities of a human being, as reason, or the like
to emasculate; to deprive of virility
to deprive of the courage and fortitude of a man; to break or subdue the manly spirit in; to cause to despond; to dishearten; to make womanish
to deprive of men; as, to unman a ship