polysynaptic

adjective

poly·​syn·​ap·​tic ˌpä-lē-sə-ˈnap-tik How to pronounce polysynaptic (audio)
: involving two or more synapses in the central nervous system
polysynaptic reflexes
polysynaptically
ˌpä-lē-sə-ˈnap-ti-k(ə-)lē How to pronounce polysynaptic (audio)
adverb

Word History

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of polysynaptic was in 1942

Rhymes for polysynaptic

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Browse Nearby Words

polysymmetrical
polysynaptic
polysyndetic
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Cite this Entry

“Polysynaptic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polysynaptic. Accessed 7 Jul. 2026.

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Medical Definition

polysynaptic

adjective
poly·​syn·​ap·​tic ˌpäl-i-sə-ˈnap-tik How to pronounce polysynaptic (audio)
: involving two or more synapses in the central nervous system
polysynaptic reflexes
polysynaptically
-ti-k(ə-)lē How to pronounce polysynaptic (audio)
adverb
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