Definition of concussion in English:



  • 1[mass noun] Temporary unconsciousness or confusion and other symptoms caused by a blow on the head.

    ‘he was carried off the pitch with concussion’
    [count noun] ‘nothing more serious than a mild concussion’
    • ‘Fortunately, concussion or fracture was rare, occurring in only 21 cases, but the need for vigilance is clear.’
    • ‘Firstly, Mathew suffered mild concussion after being attacked by a swan.’
    • ‘It was only later that night that she began to suffer from concussion and nausea.’
    • ‘These are signs of concussion and will need medical treatment.’
    • ‘The vice chancellor is suffering from mild concussion after hitting his head on a tree branch earlier on the day of our interview.’
    • ‘This performance pattern has been described in prior studies of concussion.’
    • ‘The injuries weren't too bad - a broken wrist, a couple of nose bleeds and some mild concussion.’
    • ‘The development of a better understanding of mild concussion is important for several reasons.’
    • ‘Unless he's staying overnight because of that mild concussion we're back to sharing a room.’
    • ‘Their coaches were less convinced of the benefit and believed that headgear led to more cases of concussion.’
    • ‘Mother did not sustain any serious injury and the assertion of mild concussion is over-stated.’
    • ‘Six more pensioners were treated for minor injuries including cuts, bruises and mild concussion.’
    • ‘He was taken to the Great Western Hospital with mild concussion from the force of the blows.’
    • ‘Perhaps the most important predictor of concussion is a history of prior concussion.’
    • ‘He was suffering from concussion after leaving Sligo hospital on December 29.’
    • ‘They were lucky to escape with only mild concussion and bruising.’
    • ‘Paramedics attended the scene and she was taken to Blackburn Royal Infirmary suffering from concussion.’
    • ‘Her daughter was behaving oddly but she shrugged it off as a symptom of head concussion.’
    • ‘He was taken to hospital by ambulance suffering from concussion.’
    • ‘We diagnosed concussion from a crash landing or some pre-existing neurological disorder.’
    temporary unconsciousness, temporary loss of consciousness, bang on the head
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  • 2A violent shock as from a heavy blow.

    ‘the ground shuddered with the concussion of the blast’
    • ‘The broad palms of his tail are flirted high in the air; then smiting the surface, the thunderous concussion resounds for miles.’
    • ‘For several tense moments there were answering concussions from deep within the earth that echoed and reverberated, until at last, all became still.’
    • ‘Then came a flash and the concussion of an explosion.’
    • ‘The blast concussion hit him hard in the back, knocking the wind out of him even before the ground rushed up to smack him in the face.’
    • ‘Both sisters described a nightmarish existence inside the city where fighters controlled many areas, food and medicine were often in short supply, and the thumping concussions of US bombs had become a daily reality.’
    • ‘Behind him, he could feel the concussion of the blast shake his aircraft as the load exploded on the rear tanks of the column.’
    • ‘Unfortunately, this is action without tension, explosions without the concussion.’
    • ‘Three distinct concussions had shaken the airframe.’
    • ‘The traversing turrets, as well as the gun blast concussions, could knock a man off.’
    • ‘The storm shrank, a concussion spreading through the air as a great deal of gas became a much smaller volume of solid.’
    • ‘Sunday's 9.0 magnitude megaquake under the Indian Ocean shot concussions of water on to coastlines from Indonesia to Somalia, drowning thousands.’
    • ‘A ring of heat flung out around the soldier, the concussion knocking Zem off his feet and slamming him into a house.’
    • ‘Thunderous night air raids on nearby Naples Harbor were becoming a regular thing and the tracers, explosions and bomb concussions made a violent show which we watched from the roof of our building.’
    • ‘I saw the flash of fire, felt the concussion, and for a moment I thought I would start screaming.’
    • ‘The site of the collision had a small crater in it, consistent with a powerful concussion explosion.’
    • ‘The other fighters shook from the concussion waves as their pilots looked in shock at the two fireballs.’
    • ‘The movie begins with the crash, a violent concussion that leaves most of the crew and passengers dead.’
    • ‘Jack was thrown forward by the concussion of the blast, and then sucked back as all the air in the ship was sucked into space.’
    • ‘We heard the sound of weapons fire, then heard the sound and felt the concussion of the stun grenade going off.’
    force, impact, shock
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Late Middle English: from Latin concussio(n-), from the verb concutere dash together, shake (see concuss).