brain-dead

adjective
\ ˈbrān-ˌded How to pronounce brain-dead (audio) \

Definition of brain-dead

1 : characterized by brain death
2 : lacking intelligence or vitality brain-dead fools

First Known Use of brain-dead

1972, in the meaning defined at sense 1

Keep scrolling for more

Learn More about brain-dead

Time Traveler for brain-dead

Time Traveler

The first known use of brain-dead was in 1972

See more words from the same year

Statistics for brain-dead

Cite this Entry

“Brain-dead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brain-dead. Accessed 20 Feb. 2020.

Keep scrolling for more

More Definitions for brain-dead

brain-dead

adjective
How to pronounce brain-dead (audio)

English Language Learners Definition of brain-dead

medical : showing no sign of activity in the brain : having no brain function
informal : very stupid : not able to function normally

More from Merriam-Webster on brain-dead

Thesaurus: All synonyms and antonyms for brain-dead

Rhyming Dictionary: Words that rhyme with brain-dead

Comments on brain-dead

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

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

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

TAKE THE QUIZ
Love words? Need even more definitions?

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