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)
Synonyms of paralysisnext
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 September, Neuralink said 12 people worldwide with severe paralysis had received the implants and were using them to control digital and physical tools through thought alone. Neetika Walter, Interesting Engineering, 1 Jan. 2026 But Franco was diagnosed last year with ALS, a neurodegenerative disorder that eventually leads to paralysis. Max Klaver, Miami Herald, 31 Dec. 2025 The degenerative and incurable disease, which also is known as Lou Gehrig’s disease, depletes and destroys the nerve cells in the brain and spinal cord, eventually causing paralysis. Martha Ross, Mercury News, 29 Dec. 2025 Agreeing the definition in advance helps avoid paralysis during the first critical hours. Jon Truby, Time, 29 Dec. 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

Browse Nearby Words

Cite this Entry

“Paralysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/paralysis. Accessed 4 Jan. 2026.

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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