noun🔗ShareA violent collision or shock."The forceful impact of the car crash caused a concussion. "medicinebodydiseasesportphysiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareAn injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function."The soccer player suffered a concussion after being hit hard during the game. "medicinebodydiseaseanatomyphysiologysensationChat with AIVocabulary GamePractice Reading
noun🔗ShareThe unlawful forcing of another by threats of violence to yield up something of value."The local gang demanded "protection money" from the shop owners, but when the owners refused, the gang used concussion to steal their daily earnings. "lawpoliceactionChat with AIVocabulary GamePractice Reading
