Synonyms of 'convulse'
1 shakeDictionary, twist, agitate
He let out a cry that convulsed his whole body.
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If you agitate something, you shake it so that it moves about.
Gently agitate the water with a paintbrush.
If someone's face or body contorts or is contorted, it moves into an unnatural and unattractive shape or position.
His face contorts as he screams out the lyrics.
Thesaurus for convulse from the Collins English Thesaurus
If someone convulses or if they are convulsed by or with something, their body moves suddenly in an uncontrolled way.