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

Examples of brain-dead in a Sentence

it seems like she's always doing some brain-dead thing or another
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Authors from Guangzhou Medical University First Affiliated Hospital in Ching didn’t identify the patient in the study, but he’s described as a 39-year-old man who was declared brain-dead after a brain hemorrhage. Jen Christensen, CNN Money, 25 Aug. 2025 Suffice to say, kids were clear which group was which (brilliant/average/brain-dead), and more to the point, by Day 2 of school, the parents were, too. Inga, San Diego Union-Tribune, 11 Aug. 2025 Weapons is not brain-dead entertainment; the film is impeccably crafted and filled with fantastically game actors. Louis Peitzman, Vulture, 8 Aug. 2025 She was hospitalized several times before slipping into a coma and being declared brain-dead on Aug. 18, 2023. Sarah Rumpf-Whitten, FOXNews.com, 30 July 2025 See All Example Sentences for brain-dead

Word History

First Known Use

1972, in the meaning defined at sense 1

Time Traveler
The first known use of brain-dead was in 1972

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Cite this Entry

“Brain-dead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brain-dead. Accessed 9 Sep. 2025.

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