am·ne·sia 
/æmˈni:ʒə/ noun
/æmˈni:ʒə/ noun [noncount] medical : a condition in which a person is unable to remember things because of brain injury, shock, or illness
— am·ne·si·ac /æmˈni:ʒiˌæk/ adjective
▪ an amnesiac patient
/æmˈni:ʒiˌæk/ adjective ▪ an amnesiac patient
— amnesiac noun, plural amnesiacs [count]
▪ a movie about a friendless amnesiac [=a person who has amnesia]
▪ a movie about a friendless amnesiac [=a person who has amnesia]
