Partial or complete loss of memory, especially as a result of injury, shock, or illness.
Late 19th century: from greek amnēsia, from a- "without" + mnēsikos "of memory".
- She suffered from amnesia and couldn't remember her past.
- The accident caused him to have temporary amnesia.
- The amnesia was caused by a blow to the head.
- The patient's amnesia was caused by the stroke.
- The amnesia was caused by a traumatic event in the past.