• synonyms


noun Pathology.
  1. loss of coordination of the muscles, especially of the extremities.
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Also a·tax·y [uh-tak-see, a-tak-] /əˈtæk si, æˈtæk-/.

Origin of ataxia

1605–15; < New Latin < Greek: indiscipline, equivalent to a- a-6 + táx(is) -taxis + -ia -ia
Related formsa·tax·ic, adjectivepre·a·tax·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ataxic

Historical Examples of ataxic

  • There are three stages: The preataxic, the ataxic, the bed-ridden paralytic.

    Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 7


  • I was astonished at his conduct, and still cannot understand what end he imagined would be served by this ataxic defiance.

    The Last Miracle

    M. P. Shiel

  • There may also be ataxic symptoms, paretic weakness of bowel and bladder, trembling and spasms.


    Eugene S. Talbot

  • All cases, however, if they live long enough, pass into the second ataxic stage.

  • With these methods, needing not more than twenty minutes three times a day, the ataxic symptoms sometimes rapidly diminish.

    Fat and Blood

    S. Weir Mitchell

British Dictionary definitions for ataxic


ataxy (əˈtæksɪ)

  1. pathol lack of muscular coordination
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Derived Formsataxic or atactic, adjective

Word Origin for ataxia

C17: via New Latin from Greek: lack of coordination, from a- 1 + -taxia, from tassein to put in order
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 ataxic


1853, from ataxia + -ic.

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also anglicized as ataxy, "irregularity of bodily functions," 1610s, "confusion, disorder," medical Latin, from Greek ataxia, from a-, privative prefix, + taxis "arrangement, order," from stem of tassein "to arrange" (see tactics). Pathological sense is attested from 1660s.

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Online Etymology Dictionary, © 2010 Douglas Harper

ataxic in Medicine


  1. Of, relating to, or characterized by ataxia.
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  1. Loss of the ability to coordinate muscular movement.dyssynergia incoordination
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ataxic in Science


  1. Loss of muscular coordination as a result of damage to the central nervous system.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.