[ kuh n-kuhs ]
/ kənˈkʌs /

verb (used with object)

to injure by concussion: He was mildly concussed by the falling books.

Nearby words

  1. concurrent resolution,
  2. concurrent versions system,
  3. concurrently,
  4. concurring,
  5. concurring opinion,
  6. concussed,
  7. concussion,
  8. concussion grenade,
  9. concyclic,
  10. cond.

Origin of concuss

1590–1600; < Latin concussus, past participle of concutere, equivalent to con- con- + -cut-, combining form of quat-, stem of quatere to shake + -tus past participle ending Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for concussed

  • The wagon tipped over and concussed a keg of blasting powder, and that obliterated the rest of the goods.

    Remarks|Bill Nye
  • At length the learned doctor was concussed by his colleagues on the subject, and he condescended to notice it.

  • Concussed and bloody, he had just enough drive left to get himself out.

    Deathworld|Harry Harrison
  • But as I am a slight man it might have been my brain that got concussed.

British Dictionary definitions for concussed


/ (kənˈkʌs) /

verb (tr)

to injure (the brain) by a violent blow, fall, etc
to shake violently; agitate; disturb

Word Origin for concuss

C16: from Latin concussus violently shaken, from concutere to disturb greatly, from quatere to shake

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for concussed



1590s, "to shake violently," from Latin concuss-, past participle stem of concutere "to dash together, shake violently" (see concussion). Meaning "to give a concussion to the brain" is from 1680s. Related: Concussed; concussing; concussive.

Online Etymology Dictionary, © 2010 Douglas Harper