retrograde amnesia

noun

1. a memory disorder characterized by an inability to remember events or experiences that occurred before a significant point in time.

retrograde amnesia

noun

1. See anterograde amnesia
   amnesia caused by a trauma such as concussion, in which the memory loss relates to material learnt before the trauma Compare anterograde amnesia

Word History and Origins

Origin of retrograde amnesia¹

First recorded in 1930–35