Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

grand mal

play play
noun \ˈgrän(d)-ˌmäl, ˈgräⁿ-ˌmäl, -ˌmal; ˈgran(d)-ˌmal\

Medical Definition of grand mal

  1. 1 or grand mal epilepsy :  severe epilepsy characterized by tonic-clonic seizures :  tonic-clonic epilepsy

  2. 2 or grand mal seizure :  a tonic-clonic seizure <She estimates having had about 25 grand mals and 100 smaller-scale seizures since.—Cicero A. Estrella, San Francisco Chronicle, 21 Dec. 2001>




Learn More about grand mal


Seen and Heard

What made you want to look up grand mal? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

tetchy gregarious superficial flashy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ