epilepsy
noun
ep·i·lep·sy
ˈe-pə-ˌlep-sē 
plural epilepsies
: any of various disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, or convulsions
Examples of epilepsy in a Sentence
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Hippocrates bases his explanation of epilepsy, that most perplexing of illnesses, on observation.
—
Literary Hub, 28 Jan. 2026
The fiber technology – which the team spent more than a decade engineering – could then be used to treat symptoms of Parkinson's disease, epilepsy and stroke, or integrated into tools and used as precision sensors.
—New Atlas, 27 Jan. 2026
Fraser hurried back to Kew Gardens with the boy, Jacob, who has autism and epilepsy, and is unable to speak.
—Cayla Bamberger, New York Daily News, 22 Jan. 2026
Victoria eventually shared that Romeo had been diagnosed with epilepsy, a condition that causes seizures and convulsions.
—Alex Gurley, PEOPLE, 21 Jan. 2026
See All Example Sentences for epilepsy
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Literary Hub, 28 Jan. 2026
The fiber technology – which the team spent more than a decade engineering – could then be used to treat symptoms of Parkinson's disease, epilepsy and stroke, or integrated into tools and used as precision sensors.
—New Atlas, 27 Jan. 2026
Fraser hurried back to Kew Gardens with the boy, Jacob, who has autism and epilepsy, and is unable to speak.
—Cayla Bamberger, New York Daily News, 22 Jan. 2026
Victoria eventually shared that Romeo had been diagnosed with epilepsy, a condition that causes seizures and convulsions.
—Alex Gurley, PEOPLE, 21 Jan. 2026
See All Example Sentences for epilepsy
Cite this Entry
“Epilepsy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epilepsy. Accessed 2 Feb. 2026.
Copy CitationKids Definition
epilepsy
noun
ep·i·lep·sy
ˈep-ə-ˌlep-sē
: a disorder marked by abnormal electrical discharges in the brain, by attacks of convulsions, and by loss of consciousness
Medical Definition
epilepsy
noun
ep·i·lep·sy
ˈep-ə-ˌlep-sē
plural epilepsies
: any of various disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, or convulsions see absence epilepsy, grand mal sense 1, petit mal sense 1 focal epilepsy, jacksonian epilepsy, myoclonic epilepsy, temporal lobe epilepsy
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