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
An 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.
broadly : acquired brain injury
abbreviation TBI

Examples of traumatic brain injury in a Sentence

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.
Miles allegedly suffered severe and permanent injuries, including a fractured shoulder, traumatic brain injury, back injuries, depression, post-traumatic stress disorder and more. Colson Thayer, People.com, 1 Aug. 2025 The aim is to use neurotechnology to help those with paralysis or speech disabilities, as well as treat or diagnose traumatic brain injuries and brain disorders such as Alzheimer’s or Parkinson’s. Kff Health News, Denver Post, 25 July 2025 Coupled with magnesium sulfate to address heart effects, ibogaine appeared to reduce symptoms of PTSD, anxiety and depression, and improve cognitive function from traumatic brain injury, according to the study, published in 2024 in the eminent journal Nature Medicine. Eduardo Cuevas, USA Today, 29 June 2025 After negotiations, both chambers reached an agreement to restore chronic pain, traumatic brain injury, and Crohn’s disease as qualifying conditions. Marley Malenfant, Austin American Statesman, 5 June 2025 See All Example Sentences for traumatic brain injury

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of traumatic brain injury was in 1931

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Cite this Entry

“Traumatic brain injury.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/traumatic%20brain%20injury. Accessed 6 Aug. 2025.

Medical 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
An 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
broadly : acquired brain injury
abbreviation TBI
Last Updated: - Updated example sentences
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