concussion
/kənˈkʌʃən/
Proposed by a contributor, not yet supported by evidence.
Also seen as: concussions
Meaning · English
An injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function.
NounRegister: US
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “concussion” mean?
An injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function.
Is “concussion” formal or informal?
concussion is generally US.