paralysis

noun

pa·​ral·​y·​sis pə-ˈra-lə-səs How to pronounce paralysis (audio)
plural paralyses pə-ˈra-lə-ˌsēz How to pronounce paralysis (audio)
1
: complete or partial loss of function especially when involving the motion or sensation in a part of the body
2
: loss of the ability to move
3
: a state of powerlessness or incapacity to act

Examples of paralysis in a Sentence

The disease causes a paralysis of the legs. The whole country is in a state of paralysis. They are trying to end the political paralysis that has been gripping the country.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In rare cases — about 1 in 150 — the virus can cause severe complications like encephalitis or meningitis, which may lead to paralysis, long-term disability or death, according to MCDPH. Michelle Cruz, AZCentral.com, 21 July 2025 Len hopes her story raises awareness of the early signs of stroke—such as vision distortion, limb paralysis, or facial drooping—and the importance of seeking help immediately. Alice Gibbs, MSNBC Newsweek, 19 July 2025 Neuralink’s trials aim to test the safety and effectiveness of the chip in individuals aged 22 to 75 with paralysis from spinal cord injuries or ALS. Miami Herald Archives, Miami Herald, 7 July 2025 The symptoms are flu-like, including a fever, headache and fatigue, which can develop into delirium, paralysis and death. Escher Walcott, People.com, 2 July 2025 See All Example Sentences for paralysis

Word History

Etymology

Latin, from Greek, from paralyein to loosen, disable, from para- + lyein to loosen — more at lose

First Known Use

1525, in the meaning defined at sense 1

Time Traveler
The first known use of paralysis was in 1525

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Cite this Entry

“Paralysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/paralysis. Accessed 29 Jul. 2025.

Kids Definition

paralysis

noun
pa·​ral·​y·​sis pə-ˈral-ə-səs How to pronounce paralysis (audio)
plural paralyses -ə-ˌsēz How to pronounce paralysis (audio)
: complete or partial loss of function especially when involving motion or sensation in a part of the body

Medical Definition

paralysis

noun
pa·​ral·​y·​sis pə-ˈral-ə-səs How to pronounce paralysis (audio)
plural paralyses -ˌsēz How to pronounce paralysis (audio)
: complete or partial loss of function especially when involving the power of motion or of sensation in any part of the body see hemiplegia, paraplegia, paresis sense 1

More from Merriam-Webster on paralysis

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