traumatic brain injury

American  

[traw-mat-ik breyn in-juh-ree, truh-mat-ik] / trɔˈmæt ɪk ˈbreɪn ˌɪn dʒə ri, trəˈmæt ɪk /

noun

Medicine/Medical.

1. damage to the brain from a source outside the body, such as an object that strikes the head violently or penetrates the skull, which causes symptoms ranging from headache and dizziness to permanent physical or mental disability: TBI

   After the car accident, he was diagnosed with a severe traumatic brain injury that greatly affected his memory and ability to concentrate.

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Etymology

Origin of traumatic brain injury

First recorded in 1890–95

Example Sentences

See Examples For:

traumatic brain injury

Issues such as having a parent or sibling with dementia, as well as traumatic brain injury, increase your overall dementia risk, however.

From MarketWatch ● Aug. 17, 2026

She suffered a traumatic brain injury and a broken elbow and needed three blood transfusions and skin grafts.

From The Wall Street Journal ● Aug. 14, 2026

Brown said a forensic post-mortem examination found Mr Buxton had suffered a traumatic brain injury – a craniofacial trauma.

From BBC ● Jul. 30, 2026

In his early sixties, Rob Kaufman suffered a medical emergency that caused him to faint and hit his head on a wood floor, resulting in a traumatic brain injury.

From Barron's ● Jun. 15, 2026

If I Google traumatic brain injury, most websites tell me selective amnesia is a consequence.

From "We Were Liars" by E. Lockhart