Examples Word Origin See more synonyms on Thesaurus.com loss of a large block of interrelated memories; complete or partial loss of memory caused by brain injury, shock, etc. Origin of amnesia 1780–90;
oblivion; perhaps learnedly formed from
to remember (cf.
amnesty Related forms am·nes·tic , [am- nes-tik] /æmˈnɛs tɪk/ adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for amnestic British Dictionary definitions for amnestic a defect in memory, esp one resulting from pathological cause, such as brain damage or hysteria Derived Forms amnesiac ( æmˈniːzɪˌæk) or amnesic ( æmˈniːsɪk, -zɪk), adjective, noun Word Origin
C19: via New Latin from Greek: forgetfulness, probably from
amnēstia oblivion; see amnesty
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for amnestic adj.
"causing loss of memory," 1879, from Greek
amnestia "oblivion, forgetfulness;" see amnesia. amnesia n.
"loss of memory," 1786 (as a Greek word in English from 1670s), Modern Latin, coined from Greek
amnesia "forgetfulness," from a-, privative prefix, "not" (see a- (3)) + mimneskesthai "to recall, cause to remember," a reduplicated form related to Greek mnemnon "mindful," mneme "memory," mnasthai "to remember;" from PIE root *men- "to think, remember" (see mind (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
amnestic (ăm-nĕs ′tĭk) An agent that causes amnesia. amnesia (ăm-nē ′zhə) The loss or impairment of memory.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Partial or total loss of memory, usually caused by brain injury or shock.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A loss of memory, especially one brought on by some distressing or shocking experience.
A common variant is selective amnesia; the term is applied to public officials who, when questioned about alleged wrongdoing, profess that they cannot remember.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.