[ ey-ki-nee-zhuh, -kahy- ]
/ ˌeɪ kɪˈni ʒə, -kaɪ- /

noun Pathology.

absence, loss, or impairment of the power of voluntary movement.
Also a·ki·ne·sis [ey-ki-nee-sis, -kahy-, ey-kin-uh-sis] /ˌeɪ kɪˈni sɪs, -kaɪ-, eɪˈkɪn ə sɪs/.

Origin of akinesia

< New Latin < Greek akīnēsíā; see a-6, -kinesia

Related forms

a·ki·net·ic [ey-ki-net-ik, -kahy-] /ˌeɪ kɪˈnɛt ɪk, -kaɪ-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for akinetic

  • He called all conditions with marked inactivity and apathy "akinetic psychoses" and said that some recovered, some did not.

    Benign Stupors|August Hoch

Medicine definitions for akinetic


[ ā′kĭ-nēzhə, -kī- ]


A slowness or loss of normal motor function resulting in impaired muscle movement.

Related forms

a′ki•nesic (-zĭk, -sĭk) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.