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.
On March 9, 2023, approximately one week before the 43-year-old was pronounced brain-dead, Angela texted Harmon asking for help checking her blood sugar. Sarah Rumpf-Whitten, FOXNews.com, 22 July 2025 Although most donations in the US come from people who are brain-dead, there are other circumstances in which a patient may become an organ donor. Jen Christensen, CNN Money, 22 July 2025 She was declared brain-dead and the cause of death was determined to be blunt force trauma to the head. Rocco Parascandola, New York Daily News, 22 July 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, 13 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

Browse Nearby Words

Cite this Entry

“Brain-dead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brain-dead. Accessed 4 Aug. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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