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
The intensive care doctor who treated the boy told detectives the child arrived at the hospital in cardiac arrest, with a traumatic brain injury, including bleeding on the brain, bleeding of the eyes and a broken left leg, the report states.
—David Goodhue, Miami Herald, 17 Sep. 2025
Brain Exercises for Brain Injury People who are recovering from traumatic brain injury or damage from a degenerative brain condition can also benefit from brain exercises.
—Sarah Bence, Verywell Health, 17 Sep. 2025
There have been a few studies in animals suggesting that taking xenon can help protect the brain from the injuries that occur when the flow of blood to the brain is suddenly stopped, like in a stroke, heart attack, or traumatic brain injury.
—Alex Hutchinson, Outside, 15 Sep. 2025
The 6-year-old child was in the back seat and sustained bilateral femur fractures and a traumatic brain injury, prosecutors said.
—Michael Dorgan, FOXNews.com, 6 Sep. 2025
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David Goodhue, Miami Herald, 17 Sep. 2025
Brain Exercises for Brain Injury People who are recovering from traumatic brain injury or damage from a degenerative brain condition can also benefit from brain exercises.
—Sarah Bence, Verywell Health, 17 Sep. 2025
There have been a few studies in animals suggesting that taking xenon can help protect the brain from the injuries that occur when the flow of blood to the brain is suddenly stopped, like in a stroke, heart attack, or traumatic brain injury.
—Alex Hutchinson, Outside, 15 Sep. 2025
The 6-year-old child was in the back seat and sustained bilateral femur fractures and a traumatic brain injury, prosecutors said.
—Michael Dorgan, FOXNews.com, 6 Sep. 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 21 Sep. 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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