grand mal

/ˌɡɹɒnˈmæl/

noun

A type of epilepsy where seizures are characterized as severe and involving spasms and unconsciousness.

Similar
tonic-clonicgrand mal epilepsygeneralized epilepsyepilepsia majorgeneralized seizure

Meanings

noungrand mal (uncountable)
  1. proscribedsometimesuncountablemedicineA type of epilepsy where seizures are characterized as severe and involving spasms and unconsciousness.

    Synonyms: tonic-clonic

Synonyms & antonyms

nounA type of epilepsy where seizures are characterized as severe and involving spasms and unconsciousness.

More synonyms by meaning

nounepilepsy in which the attacks involve loss of consciousness and tonic spasms of the musculature followed by generalized jerking

Similar
grand mal epilepsygeneralized epilepsyepilepsia major
Broader

nouna seizure during which the patient becomes unconscious and has convulsions over the entire body

Similar
generalized seizureepilepsia major
Broader
epileptic seizure

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Frenchgrand mal
  2. Englishgrand mal

Borrowed from French grand mal (literally “great illness”).

Full word history & related roots →

Translations

Finnish iso kohtaus
  • iso kohtausform of epilepsy
Russian большо́й эпилепти́ческий припа́док
  • большо́й эпилепти́ческий припа́док (bolʹšój epileptíčeskij pripádok)form of epilepsy
Cite this entry
APA

grand mal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/grand%20mal

MLA

“grand mal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/grand%20mal. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “grand mal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/grand%20mal.

Source: grand mal on Wiktionary, CC BY-SA 4.0.