Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Partial or total loss of memory, usually resulting from shock, psychological disturbance, brain injury, or illness.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Loss of memory; forgetfulness.

from the GNU version of the Collaborative International Dictionary of English

  • n. Forgetfulness; also, a defect of speech, from cerebral disease, in which the patient substitutes wrong words or names in the place of those he wishes to employ.

from The Century Dictionary and Cyclopedia

  • n. In pathology, loss of memory; specifically, a morbid condition in which the patient is unable to recall a word that is wanted, or, perhaps, understand it when spoken: a common form of aphasia (which see).
  • n. [capitalized] In zoöl., a genus of coleopterous insects.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. partial or total loss of memory

Etymologies

Greek amnēsiā, forgetfulness, probably from amnēstiā, from amnēstos, not remembered : a-, not; see a-1 + mimnēskein, mnē-, to remember; see men-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From modified Latin amnesia, from Ancient Greek ἀμνησία (amnēsia, "forgetfulness"). (Wiktionary)

Examples

Comments

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  • Railroad telegraphers' shorthand notation meaning "Can you make an allowance on account of?" --US Railway Association, Standard Cipher Code, 1906.

    January 19, 2013

  • JM thinks he had amnesia once - maybe twice.

    July 13, 2011