Pronunciation: /kənˈkʌʃən/
noun a violent shaking or jarring, especially resulting in an injury to the brain
A1 He suffered a concussion after falling off his bike.
A2 She was diagnosed with a concussion after hitting her head during the game.
B1 The doctor advised him to rest for a few days after the concussion.
B2 Concussions can have long-term effects on cognitive function.
C1 The athlete's career was cut short due to multiple concussions.
C2 The medical team closely monitored his recovery from the concussion.
formal He suffered a concussion after falling off his bike without a helmet.
informal She got a concussion from hitting her head on the door.
slang I heard he got a major concussion from that car accident.
figurative The team's loss was like a concussion to their championship hopes.
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