Definition

1. Noun:
   • A violent shaking or jarring motion; a shock caused by impact: This refers to the physical effect of a forceful blow or collision that causes something to shake violently.
   • An injury to the brain, typically caused by a blow to the head, often resulting in temporary loss of consciousness and other neurological symptoms: This is the specific medical meaning, describing a type of traumatic brain injury.

Usage Examples

• Noun:
  • The concussion from the explosion shattered the windows. (The violent shockwave from the explosion broke the windows.)
  • He suffered a severe concussion after falling from his bicycle. (He experienced a brain injury with loss of consciousness after the fall.)
  • The doctor diagnosed her with a mild concussion and advised rest. (The medical professional identified a minor brain injury and recommended recovery time.)

Advanced Usage

• "To suffer/sustain a concussion": This is the standard collocation for experiencing this type of brain injury.
  • Several players sustained concussions during the tournament.
• Used in legal or formal contexts to describe the force of an impact.
  • The legal report described the concussion of the two vehicles.

Variants and Related Words

• Concuss (verb): To subject to concussion; to injure by a violent blow or shock.
  • The blast concussed several soldiers.
• Concussive (adjective): Having the power or effect of concussion.
  • The bomb's concussive force was immense.

Synonyms

• Shock: A sudden or violent disturbance.
• Jarring: A sudden, rough shaking movement.
• Traumatic Brain Injury (TBI): The broader medical category for injuries like concussion.

Related Phrases

• Concussion protocol: The set of procedures followed by medical and sports organizations for assessing and managing a suspected concussion.
  • The athlete entered the concussion protocol immediately after the hit.
• Post-concussion syndrome: A condition where concussion symptoms persist for weeks or months after the injury.
  • She was still experiencing headaches due to post-concussion syndrome.

Related Idioms

• "To be concussed": An informal way to state someone has suffered a concussion.
  • After the collision, he was clearly concussed.
• "A concussive blast": A phrase often used to describe the destructive shockwave from an explosion.
  • The building was damaged by the concussive blast.

Noun

1. any violent blow
2. injury to the brain caused by a blow; usually resulting in loss of consciousness