the condition of having an unusually vivid or precise memory.

Origin of hypermnesia

First recorded in 1880–90; hyper- + (a)mnesia
Related formshy·perm·ne·sic [‐nee-sik, ‐zik] /‐ˈni sɪk, ‐zɪk/, adjective
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Examples from the Web for hypermnesia

Historical Examples of hypermnesia

  • If the personal memory be over-excited, exalt, we have hypermnesia.

  • The hypermnesia of the dream and the resort to infantile material have become main supports in our theory.

    Dream Psychology

    Sigmund Freud

British Dictionary definitions for hypermnesia



psychol an unusually good ability to remember, found in some mental disorders and possibly in hypnosis

Word Origin for hypermnesia

C20: New Latin, from hyper- + -mnesia, formed on the model of amnesia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hypermnesia in Medicine




Exceptionally exact or vivid memory, especially as associated with certain mental illnesses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.