• synonyms


[puh-ree-sis, par-uh-sis]
noun Pathology.
  1. partial motor paralysis.
  2. a late manifestation of syphilis, characterized by progressive dementia and paralysis.
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Origin of paresis

1685–95; < New Latin < Greek páresis paralysis, a letting go, equivalent to pare- (variant stem of pariénai to let go) + -sis -sis
Related formspa·ret·ic [puh-ret-ik, -ree-tik] /pəˈrɛt ɪk, -ˈri tɪk/, noun, adjectivepa·ret·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pareses

Historical Examples of pareses

  • Consequently, a unilateral accommodation paresis is almost invariably associated with pareses of some of the oculo-motor muscles.

    Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1


British Dictionary definitions for pareses


noun plural -ses (-ˌsiːz) pathol
  1. incomplete or slight paralysis of motor functions
  2. short for general paresisSee general paralysis of the insane
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Derived Formsparetic (pəˈrɛtɪk), adjective

Word Origin for paresis

C17: via New Latin from Greek: a relaxation, from parienai to let go, from para- 1 + hienai to release
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 pareses



"partial paralysis," 1690s, Modern Latin, from Greek paresis "letting go, slackening of strength, paralysis," from stem of parienai "to let go," from para- (see para- (1)) + hienai "to send, throw" (see jet (v.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

pareses in Medicine


(pə-rēsĭs, părĭ-sĭs)
n. pl. pa•re•ses (-sēz)
  1. Slight or partial paralysis.
  2. General paresis.
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Related formspa•retic (pə-rĕtĭk) adj. n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.