epilepsy

noun

ep·​i·​lep·​sy ˈe-pə-ˌlep-sē How to pronounce epilepsy (audio)
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

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.
Anticonvulsants, including Lamictal, are used to treat seizures in people with epilepsy. Rosanna Sutherby, Verywell Health, 2 Jan. 2025 Diagnosed first with Jeavons syndrome in 2018/19—a rare form of epilepsy characterized by absence seizures and eyelid jerks—a 1,000-gene epilepsy panel in 2020 revealed further health problems. George Monastiriakos, Newsweek, 30 Dec. 2024 Then, there's the high school student who decided to use humor to cope with epilepsy and the teen suicide survivor dedicated to saving others. Beth Warren, The Tennessean, 1 Dec. 2024 Last year Andrea was diagnosis with Lennox-Gastaut Syndrome (LGS), a rare and severe form of epilepsy that affects 1 to 2% of all adults with the condition. Stephanie Lam, The Mercury News, 28 Nov. 2024 See all Example Sentences for epilepsy 

Word History

Etymology

Middle English epilencie, from Anglo-French & Latin; Anglo-French epelempsie, modification of Late Latin epilepsia, from Greek epilēpsia, from epilambanein to seize, from epi- + lambanein to take, seize — more at latch

First Known Use

1543, in the meaning defined above

Time Traveler
The first known use of epilepsy was in 1543

Dictionary Entries Near epilepsy

Cite this Entry

“Epilepsy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epilepsy. Accessed 30 Jan. 2025.

Kids Definition

epilepsy

noun
ep·​i·​lep·​sy ˈep-ə-ˌlep-sē How to pronounce epilepsy (audio)
: 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 How to pronounce epilepsy (audio)
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

More from Merriam-Webster on epilepsy

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