noun Pathology.

the loss of a previously held ability to speak or understand spoken or written language, due to disease or injury of the brain.

Nearby words

  1. aphagia,
  2. aphakia,
  3. aphalangia,
  4. aphanite,
  5. aphanitic,
  6. aphasic,
  7. aphasiology,
  8. aphelandra,
  9. aphelion,
  10. apheliotropic

Origin of aphasia

1865–70; < Greek: speechlessness, equivalent to a- a-6 + phat(ós) spoken (derivative of phánai to speak) + -ia -ia

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aphasia

British Dictionary definitions for aphasia



a disorder of the central nervous system characterized by partial or total loss of the ability to communicate, esp in speech or writingCompare alexia
Derived Formsaphasiac or aphasic, adjective, noun

Word Origin for aphasia

C19: via New Latin from Greek, from a- 1 + -phasia, from phanai to speak

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

Word Origin and History for aphasia



"loss of ability to speak," especially as result of brain injury or disorder, 1867, from Modern Latin aphasia, from Greek aphasia "speechlessness," from a- "without" (see a- (3)) + phasis "utterance," from phanai "to speak," related to pheme "voice, report, rumor" (see fame (n.)).

APHASIA is the term which has recently been given to the loss of the faculty of articulate language, the organs of phonation and of articulation, as well as the intelligence, being unimpaired. The pathology of this affection is at the present time the subject of much discussion in the scientific world; the French Academy devoted several of their séances during the year 1865 to its special elucidation, and the Medical Journals of France and of our own country have lately contained a good deal of original matter bearing upon this obscure feature in cerebral pathology. [Frederic Bateman, M.D., "Aphasia," London, 1868]
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for aphasia




Partial or total loss of the ability to articulate ideas or comprehend spoken or written language, resulting from brain damage due to injury or disease.logagnosia logamnesia logasthenia
Related formsa•phasi•ac′ (-zē-ăk′) n.a•phasic (-zĭk, -sĭk) adj. n.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for aphasia



Partial or total loss of the ability to articulate ideas or comprehend spoken or written language, resulting from damage to the brain that is caused by injury or disease.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.