an·​ti·​ep·​i·​lep·​tic ˌan-tē-ˌe-pə-ˈlep-tik How to pronounce antiepileptic (audio)
variants or anti-epileptic
: designed to control or prevent seizures associated with epilepsy
antiepileptic drugs
antiepileptic noun
or anti-epileptic
plural antiepileptics or anti-epileptics
More than a dozen antiseizure drugs have come to market in the past 25 years. They've reduced the side effects associated with antiepileptics, but the new drugs haven't proven much more effective at reducing seizures. Fred Vogelstein

Examples of antiepileptic in a Sentence

Recent Examples on the Web But some drugs prescribed for bacterial or viral infections and gastroesophageal reflux disease (GERD), as well as some antidepressants and antiepileptic drugs, may cause problems. Kimberly Truong, SELF, 7 Dec. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'antiepileptic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1655, in the meaning defined above

Time Traveler
The first known use of antiepileptic was in 1655

Dictionary Entries Near antiepileptic

Cite this Entry

“Antiepileptic.” Dictionary, Merriam-Webster, Accessed 25 Apr. 2024.

Medical Definition


1 of 2 adjective
an·​ti·​ep·​i·​lep·​tic -ˌep-ə-ˈlep-tik How to pronounce antiepileptic (audio)
: designed to control or prevent seizures associated with epilepsy
antiepileptic treatments
an antiepileptic drug


2 of 2 noun
: an antiepileptic drug
Love words? Need even more definitions?

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