WordWeb Online

1. Contract involuntarily, as in a spasm
   "The muscles in her face convulsed"
    
2. Cause to contract
   "The spasm convulses her facial muscles"
    
3. Shake uncontrollably
   "earthquakes convulsed the countryside"
    
4. Move or stir about violently
   "The feverish patient convulsed around in his bed";
   - thresh, thresh about, thrash, thrash about, slash, toss, jactitate
    
5. Be overcome with laughter
    
6. Make someone convulse with laughter
   "The comedian convulsed the crowd"

Derived forms: convulsed, convulses, convulsing

Type of: agitate, amuse, compact, compress, constrict, contract, express joy, express mirth, laugh, press, shake, squeeze

Encyclopedia: Convulse