Source : Webster's Revised Unabridged Dictionary (1913)

Unideaed \Un`i*de"aed\, a.
   Having no ideas; senseless; frivolous. ``Unideaed girls.''
   --Mrs. Hemans.

         He [Bacon] received the unideaed page [Villiers] into
         his intimacy.                            --Lord
                                                  Campbell.