transitive verb-·vulsed′, -·vuls′ing
- to shake or disturb violently; agitate
- to cause convulsions, or spasms, in
- to cause to shake as with laughter, rage, or grief
Origin of convulsefrom Classical Latin convulsus, past participle of convellere, to tear loose from com-, together + vellere, to pluck: see revulsion
verbcon·vulsed, con·vuls·ing, con·vuls·es
- To shake or agitate violently: tremors that convulsed the countryside. See Synonyms at agitate.
- To disturb or upset severely: Strikes and riots convulsed the nation.
- To affect with irregular and involuntary muscular contractions; throw into convulsions.
- To cause to shake with laughter or strong emotion.
- To become affected by convulsions; shake.
- To be disturbed or upset: The region convulses with change.
Origin of convulseLatin convellere convuls- to pull violently com- intensive pref. ; see com- . vellere to pull
(third-person singular simple present convulses, present participle convulsing, simple past and past participle convulsed)
- To violently shake or agitate.
- To create great laughter.
From Latin convulsus, past participle of convellere (“to pluck up, dislocate, convulse”), from com- (“together”) + vellere (“to pluck, pull”)