from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To shake or agitate violently: tremors that convulsed the countryside; when civil war convulsed the nation. See Synonyms at agitate.
- transitive v. To affect with irregular and involuntary muscular contractions; throw into convulsions.
- transitive v. To cause to shake with laughter or strong emotion.
- intransitive v. To become affected by or as if by convulsions; shake.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To violently shake or agitate.
- v. To create great laughter.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To contract violently and irregulary, as the muscular parts of an animal body; to shake with irregular spasms, as in excessive laughter, or in agony from grief or pain.
- transitive v. To agitate greatly; to shake violently.
from The Century Dictionary and Cyclopedia
- To draw or contract spasmodically or involuntarily, as the muscular parts of an animal body; affect by irregular spasms: as, his whole frame was convulsed with agony.
- To shake; disturb by violent irregular action; cause great or violent agitation in.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. be overcome with laughter
- v. cause to contract
- v. move or stir about violently
- v. make someone convulse with laughter
- v. contract involuntarily, as in a spasm
- v. shake uncontrollably
Latin convellere, convuls-, to pull violently : com-, intensive pref.; see com- + vellere, to pull.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin convulsus, past participle of convellere ("to pluck up, dislocate, convulse"), from com- ("together") + vellere ("to pluck, pull") (Wiktionary)