from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To injure by concussion: "a middle-aged woman concussed by a blow on the head” ( Manchester Guardian Weekly).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To injure the brain of, usually temporarily, by violent impact.
- v. To force to do something, or give up something, by intimidation; to coerce.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To shake or agitate.
- transitive v. To force (a person) to do something, or give up something, by intimidation; to coerce.
from The Century Dictionary and Cyclopedia
- To shake or agitate.
- To force by threats to do something, especially to surrender or dispose of something of value; intimidate into a course of action; coerce: as, he was concussed into signing the document.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. shake violently
- v. injure the brain; sustain a concussion
Latin concutere, concuss-, to strike together : com-, com- + quatere, to strike; see kwēt- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin concussus, the perfect passive participle of concutiō ("shake violently"), from con- + quatiō ("shake, hit"). (Wiktionary)