Question

amnesiac
 am·ne·si·ac /æmˈniːʒiˌæk/  adj  
  an amnesiac patient
 • • •
 Main Entry: amnesia
————————
 amnesiac  noun  ,  pl   -acs [  count  ]
  a movie about a friendless amnesiac [=a person who has amnesia]
 • • •
 Main Entry: amnesia