Definition of paresis in English:


Pronunciation /ˈparɪsɪs//pəˈriːsɪs/


mass nounMedicine
  • 1A condition of muscular weakness caused by nerve damage or disease; partial paralysis.

    ‘examination indicates paresis of the upper left limb’
    count noun ‘some patients had pareses of the arms or legs’
    • ‘Gastrointestinal autonomic neuropathy may cause paresis anywhere in the digestive tract, with damage to small myelinated and unmyelinated splanchnic nerves.’
    • ‘A right facial droop was noted, indicating a central facial nerve paresis.’
    • ‘The most alarming symptom of Bell's palsy is paresis; up to three quarters of affected patients think they have had a stroke or have an intracranial tumour.’
    • ‘With peripheral facial nerve paresis, the forehead and eyes may be affected.’
    • ‘In a prospective study of 59 patients undergoing cardiac surgery, the amplitude and area of diaphragmatic evoked potentials were more sensitive than latency in detecting phrenic nerve paresis.’
    immobility, powerlessness, lack of sensation, numbness, deadness, incapacity, debilitation
    View synonyms
    1. 1.1 Inflammation of the brain in the later stages of syphilis, causing progressive dementia and paralysis.
      • ‘Despite this, the second crisis occurred in 1916, with a published report on the transmission of syphilis from patients with general paresis into animals.’
      • ‘Parenchymatous syphilis was formerly called general paresis of the insane.’
      • ‘In 1892, he attempted suicide and was sent to a clinic suffering from syphilitic paresis, which had driven him mad; he died at the age of 42.’
      • ‘All the identified patients had psychotic illnesses: mania and melancholia, general paresis, and post-encephalitic states.’
      • ‘The clinical presentation has shifted from general paresis and tabes dorsalis to meningovascular and atypical forms.’


Late 17th century: modern Latin, from Greek parienai ‘let go’, from para- ‘alongside’ + hienai ‘let go’.