synaptic

adjective

syn·​ap·​tic sə-ˈnap-tik How to pronounce synaptic (audio)
1
: of or relating to a synapsis
2
: of or relating to a synapse
synaptically adverb

Examples of synaptic in a Sentence

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.
And their grasp of how billions of neurons and trillions of synaptic connections interact to form individual minds continues to deepen. Kevin Dickinson, Big Think, 19 Sep. 2025 They’re placed on or next to the body and struck with a mallet to release a calming vibration and mellifluous tone that eases muscles, sparking an immediately soothing effect on the nervous system and improving synaptic responses in the brain. Terry Elward, Forbes.com, 11 Sep. 2025 Every algorithmic recommendation reshapes synaptic connections. Dana Suskind, Time, 27 Aug. 2025 Pathways involved in synaptic plasticity, circadian rhythm, and fatty acid metabolism were disrupted. New Atlas, 16 Aug. 2025 See All Example Sentences for synaptic

Word History

Etymology

New Latin synapsis

First Known Use

1895, in the meaning defined at sense 1

Time Traveler
The first known use of synaptic was in 1895

Cite this Entry

“Synaptic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/synaptic. Accessed 29 Sep. 2025.

Medical Definition

synaptic

adjective
syn·​ap·​tic
si-ˈnap-tik, British also sī-
1
: of, relating to, or participating in synapsis
synaptic chromosomes
2
: of or relating to a synapse
synaptic transmission
synaptically adverb
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!