concussionnoun [ U or C ]
uk/kənˈkʌʃ.ən/us/kənˈkʌʃ.ən/temporary damage to the brain caused by a fall or hit on the head or by violent shaking:
UK He's been dizzy and confused since the accident. Do you think he has concussion?
US He's been dizzy and confused since the accident. Do you think he has a concussion?
Thesaurus: synonyms and related words
Losing consciousness
- black out
- blackout
- collapse
- coma
- concuss
- concussed
- conk out
- go out like a light idiom
- insensible
- knock
- knock sb out
- oblivion
- out
- pass
- see
- see stars idiom
- senseless
- stupor
- swoon
- syncope
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