Verb
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.
Source: Webster's dictionaryan unmanning experience Source: Internet