Meanings
comparative more brain-dead · superlative most brain-dead · alternative brain dead · alternative braindead
- not comparablemedicineHaving an irreversible loss of brain function and cessation of brain activity.
An employee of the mayor's office was declared brain-dead on Sunday morning after she and another woman were struck by a hit-and-run driver while crossing Flatbush Avenue in Brooklyn, the authorities said.
2010 February 22, Michael S. Schmidt, Karen Zraick, “Hit and Run in Brooklyn Leaves One Brain-Dead”, in The New York Times, →ISSN - colloquialderogatoryHaving no useful thoughts; stupid; ditzy.
"AI has been brain-dead since the 1970s," said AI guru Marvin Minsky in a recent speech at Boston University. Minsky co-founded the MIT Artificial Intelligence Laboratory in 1959 with John McCarthy.
2003 May 13, Mark Baard, quoting Marvin Minsky, “AI Founder Blasts Modern Research”, in Wired, →ISSN
plural brain-deads · alternative brain dead · alternative braindead
- derogatoryinformalAn unintelligent person.
"What makes you different from all the other brain-deads that come through here?"
2015 October 6, Sarah J. Schmitt, It's a Wonderful Death, Simon and Schuster, →ISBN
Origin
From brain + dead. Coined by the Harvard physician Henry K. Beecher in the historical context of the Sixties counterculture and life extension technology of the late twentieth century.
Full word history & related roots →Translations
Afrikaans breindood
- breindoodin medicine: having irreversible cessation of brain activity
Chinese Mandarin 脑残
- 脑残 (nǎocán)colloquially: having no useful thoughts
Danish hjernedød, hjernedød
- hjernedødin medicine: having irreversible cessation of brain activity
- hjernedødcolloquially: having no useful thoughts
- åndssvagcolloquially: having no useful thoughts
Dutch hersendood
- hersendoodin medicine: having irreversible cessation of brain activity
Finnish aivokuollut, aivoton
- aivokuollutin medicine: having irreversible cessation of brain activity
- aivotoncolloquially: having no useful thoughts
- järjetöncolloquially: having no useful thoughts
- älyvapaacolloquially: having no useful thoughts
French en état de mort cérébrale
- en état de mort cérébralein medicine: having irreversible cessation of brain activity
German hirntot
- hirntotin medicine: having irreversible cessation of brain activity
Hungarian agyhalott
- agyhalottin medicine: having irreversible cessation of brain activity
Italian cerebroleso, testa vuota
- cerebrolesocolloquially: having no useful thoughts
- testa vuotacolloquially: having no useful thoughts
Norwegian Bokmål hjernedød, hjernedød
- hjernedødin medicine: having irreversible cessation of brain activity
- hjernedødcolloquially: having no useful thoughts
Polish w stanie śmierci mózgu
- w stanie śmierci mózguin medicine: having irreversible cessation of brain activity
Portuguese com morte cerebral, cerebralmente morto
- com morte cerebralin medicine: having irreversible cessation of brain activity
- cerebralmente mortoin medicine: having irreversible cessation of brain activity
- descerebradocolloquially: having no useful thoughts
Spanish muerto cerebral, muerto cerebral
- muerto cerebralin medicine: having irreversible cessation of brain activity
- muerto cerebralcolloquially: having no useful thoughts
- descerebradocolloquially: having no useful thoughts
Swedish hjärndöd, hjärndöd
- hjärndödin medicine: having irreversible cessation of brain activity
- hjärndödcolloquially: having no useful thoughts
Turkish beyni ölü, beyni ölmüş
- beyni ölüin medicine: having irreversible cessation of brain activity
- beyni ölmüşin medicine: having irreversible cessation of brain activity
- beyinsizcolloquially: having no useful thoughts
Cite this entry
brain-dead. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/brain-dead
“brain-dead.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/brain-dead. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “brain-dead,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/brain-dead.
Source: brain-dead on Wiktionary, CC BY-SA 4.0.