Phrase guide

grand mal

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˌɡɹɒnˈmæl/

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Usage: proscribed, sometimes, uncountable

Topics: medicine, neurology, neuroscience, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: tonic-clonic

Antonyms: none provided

2

noun

Meaning 2

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: generalized seizure, epilepsia major

Antonyms: none provided

Broader terms: epileptic seizure

3

noun

Meaning 3

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: grand mal epilepsy, generalized epilepsy, epilepsia major

Antonyms: none provided

Broader terms: epilepsy

History

Etymology

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

Across languages

Translations

2 source translations are retained for this English entry.

  • Finnish: iso kohtaus — form of epilepsy
  • Russian: большо́й эпилепти́ческий припа́док (bolʹšój epileptíčeskij pripádok) — form of epilepsy