hyperexcitable
adjective
hy·per·ex·cit·able
ˌhī-pər-ik-ˈsī-tə-bəl 
variants
or hyper-excitable
: extremely or excessively excitable
hyperexcitable children
Dr. Walters believes that for a nerve cell to become hyperexcitable when it or its neighbor has been injured makes evolutionary sense.—
Natalie Angier
Natalie Angier
hyperexcitability
noun
or hyper-excitability
hyperexcitability of motor neurons
a medication that can cause hyperexcitability
Examples of hyperexcitable in a Sentence
those hyperexcitable contestants on TV game shows who celebrate winning by jumping up and down uncontrollably
Recent Examples on the Web
The synesthesia is locked in, and the hyperexcitable visual cortex no longer drives it.
—Elizabeth Preston, Discover Magazine, 18 Nov. 2011
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Elizabeth Preston, Discover Magazine, 18 Nov. 2011
Cite this Entry
“Hyperexcitable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperexcitable. Accessed 26 Jul. 2025.
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