traumatic brain injury
noun
: an acquired brain injury caused by external force (such as a blow to the head sustained in a motor vehicle accident or fall or shrapnel or a bullet entering through the skull)
Traumatic brain injury occurs when the shock from an explosion damages neurological fibers. Soldiers may survive a blast with scarcely a cut, only to find over time that they suffer coordination and memory loss, dizziness, insomnia.—
Nancy Gibbs
Nancy GibbsAn unprotected fall, especially if the player is unconscious or his opponent lands on top of him, can result in severe traumatic brain injury.—Michael J. Stuart et al.
Michael J. Stuart et al.Examples of traumatic brain injury in a Sentence
Recent Examples on the Web
In one version of the recurring dream, his Navy SEAL comrade and friend Elliott Miller doesn’t suffer a traumatic brain injury or lose a leg.
—Jack Smart, People.com, 11 Apr. 2025
Miller suffered a traumatic brain injury during a mission gone wrong in 2006, and Mendoza aimed to help jog his memory by re-creating their heroic survival story.
—Patrick Ryan, USA Today, 11 Apr. 2025
Three months into my illness, I had been treated for migraines and a concussion—COVID’s impact can mirror a traumatic brain injury—but not long COVID.
—Rebecca Nagle, The Atlantic, 1 Apr. 2025
Unique is now a Frankenstein’s Monster of his former self, physically scarred and mentally volatile because of his traumatic brain injury.
—Robyn Bahr, The Hollywood Reporter, 7 Mar. 2025
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Jack Smart, People.com, 11 Apr. 2025
Miller suffered a traumatic brain injury during a mission gone wrong in 2006, and Mendoza aimed to help jog his memory by re-creating their heroic survival story.
—Patrick Ryan, USA Today, 11 Apr. 2025
Three months into my illness, I had been treated for migraines and a concussion—COVID’s impact can mirror a traumatic brain injury—but not long COVID.
—Rebecca Nagle, The Atlantic, 1 Apr. 2025
Unique is now a Frankenstein’s Monster of his former self, physically scarred and mentally volatile because of his traumatic brain injury.
—Robyn Bahr, The Hollywood Reporter, 7 Mar. 2025
See All Example Sentences for traumatic brain injury
Cite this Entry
“Traumatic brain injury.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/traumatic%20brain%20injury. Accessed 22 Apr. 2025.
Copy CitationMedical Definition
traumatic brain injury
noun
: an acquired brain injury caused by external force (as a blow to the head sustained in a motor vehicle accident or fall or shrapnel or a bullet entering through the skull)
A soldier—or a civilian—can survive the blast without a single penetrating wound and still receive the worst diagnosis: traumatic brain injury, or TBI, the signature injury of the Iraq War.—Michael Mason, Discover
Michael Mason, DiscoverAn unprotected fall, especially if the player is unconscious or his opponent lands on top of him, can result in severe traumatic brain injury.—Michael J. Stuart et al., USA Today
Michael J. Stuart et al., USA TodayLove words? Need even more definitions?
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