American English

Definition of convulse verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they convulse
    he / she / it convulses
    past simple convulsed
    -ing form convulsing
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  1. 1[transitive, intransitive] convulse (somebody) (with something) to cause a sudden shaking movement in someone's body; to make this movement A violent shiver convulsed him. His whole body convulsed.
  2. 2[transitive] be convulsed with laughter, anger, etc. to be laughing so much, so angry, etc., that you cannot control your movements
  3. 3[transitive, usually passive] to cause a lot of sudden, violent confusion in a place Many American cities were convulsed by violence in the 1960s and 70s.
See the Oxford Advanced Learner's Dictionary entry: convulse